Instructions: Answer each question on loose leaf, quad-ruled (graph pape Remember to fold paper along the center, work exercises in order top to pages, and insert them in order of first to last. Show your work neatly, se 15. For the equations below describe in words each step of your solution, e.g., 1+ 2(x - 3) = 4(x – 2) Multiply using the Distributive Property: 1+2x – 6 = 4x – 8 Combine like Terms using the Commutative Property of Addition 1-6+2x = 4x –8 -5 + 2x %3D = 4x – 8 Subtract 2x using the Equality Property of Addition -5+ 2x – 2x = 4x – 2x-8 Simplify by adding like terms -5 = 2x – 8 Add 8 to both sides by the Addition Property of Equality -5+8 = 2x – 8+ 8 Simplify by adding like terms: 3 = 2x Divide by 2 by the Division Property of Equality 3 2x 2 Simplify 3 -= x 2 a) 4x +5(7x - 3) = 9(x – 5) b) 8(4x - 1) - 12x = 18 - 3(16 – 3x) -b ± Vb? – 4ac 16. Evaluate the expression 2a where a = 1,b = 4,c = 3 %3D %3D II

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 17EQ
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Question
6:23
Katie Linares - 18P....
as of: Tuesday, March 16, 2021
N3CS21
Instructions: Answer each question on loose leaf, quad-ruled (graph pape
Remember to fold paper along the center, work exercises in order top to
pages, and insert them in order of first to last. Show your work neatly, se
15. For the equations below describe in words each
step of your solution, e.g.,
1+ 2(x – 3) = 4(x – 2)
Multiply using the Distributive Property:
1+ 2x – 6 = 4x – 8
Practice Set T8:Jackie
Combine like Terms using the Commutative
Property of Addition
1–6+2x = 4x – 8
-5 + 2x = 4x – 8
Subtract 2x using the Equality Property of Addition
-5+ 2x – 2x = 4x – 2x – 8
Simplify by adding like terms
-5 = 2x – 8
Add 8 to both sides by the Addition Property of
Equality
-5+8 = 2x – 8 + 8
Simplify by adding like terms:
3 = 2x
Divide by 2 by the Division Property of Equality
3
2x
2
Simplify
3
= x
a) 4x + 5(7x – 3) = 9(x – 5)
b) 8(4x – 1) – 12x = 18 – 3(16 – 3x)
-b ± Vb? – 4ac
16. Evaluate the expression
2a
where a = 1,b = 4,c = 3
Transcribed Image Text:6:23 Katie Linares - 18P.... as of: Tuesday, March 16, 2021 N3CS21 Instructions: Answer each question on loose leaf, quad-ruled (graph pape Remember to fold paper along the center, work exercises in order top to pages, and insert them in order of first to last. Show your work neatly, se 15. For the equations below describe in words each step of your solution, e.g., 1+ 2(x – 3) = 4(x – 2) Multiply using the Distributive Property: 1+ 2x – 6 = 4x – 8 Practice Set T8:Jackie Combine like Terms using the Commutative Property of Addition 1–6+2x = 4x – 8 -5 + 2x = 4x – 8 Subtract 2x using the Equality Property of Addition -5+ 2x – 2x = 4x – 2x – 8 Simplify by adding like terms -5 = 2x – 8 Add 8 to both sides by the Addition Property of Equality -5+8 = 2x – 8 + 8 Simplify by adding like terms: 3 = 2x Divide by 2 by the Division Property of Equality 3 2x 2 Simplify 3 = x a) 4x + 5(7x – 3) = 9(x – 5) b) 8(4x – 1) – 12x = 18 – 3(16 – 3x) -b ± Vb? – 4ac 16. Evaluate the expression 2a where a = 1,b = 4,c = 3
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