Question
Asked Oct 8, 2019

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GRAPHS AND FUNCTIONS
Мах
Solving a system of linear equations using substitution
Español
Use substitution to solve the system.
-3x+y 18
4x+3у %3D 11
х —
У
Аа
Explanation
Check
Ш
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GRAPHS AND FUNCTIONS Мах Solving a system of linear equations using substitution Español Use substitution to solve the system. -3x+y 18 4x+3у %3D 11 х — У Аа Explanation Check Ш

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check_circleExpert Solution
Step 1

From -3x+y=-18 we get y=3x-18

 

Step 2

We will substitute y=3x...

4x+3(3x-18) 11
4x+9х-54-11
13х-54-11
13х311+54
13х365
65
X=
13
x-5
help_outline

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4x+3(3x-18) 11 4x+9х-54-11 13х-54-11 13х311+54 13х365 65 X= 13 x-5

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