9. To solve -x = we should multiply each side by %3D 3

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.3: Solving Problems With Two Variables
Problem 16P
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number 9
25.08 = X
Divide each side by
nearest year the median income reaches $20,000 in 25 years after 1990, or
IS. In what year (to the nearest year) will the median income be $25,000?
7. The equation x = -8 is equivalent to x = 8 or
x = -8.
2 = 7.
8. The equations
and x =
5 are equivalent.
X - 5
to
3
9. To solve -x
4
we should multiply each side by
10. If a and b are real numbers, then ax + b =0 has a
solution.
Scan this code
to link to section
lecture videos.
SKILLS
Determine whether each given number is a solution to the equat
following it.
9. 3, 2x - 4 = 9
10. -2,
Transcribed Image Text:25.08 = X Divide each side by nearest year the median income reaches $20,000 in 25 years after 1990, or IS. In what year (to the nearest year) will the median income be $25,000? 7. The equation x = -8 is equivalent to x = 8 or x = -8. 2 = 7. 8. The equations and x = 5 are equivalent. X - 5 to 3 9. To solve -x 4 we should multiply each side by 10. If a and b are real numbers, then ax + b =0 has a solution. Scan this code to link to section lecture videos. SKILLS Determine whether each given number is a solution to the equat following it. 9. 3, 2x - 4 = 9 10. -2,
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