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Solve for linear equations by substitution 3x - 2y = 9 y=2x-7

Solve for linear equations by substitution 3x - 2y = 9 y=2x-7
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3 votes
Solve for linear equations by substitution

3x - 2y = 9
y=2x-7

User Surreal Dreams
by
8.4k points

1 Answer

1 vote
answer: x=5 , y=3

steps:
3x-2(2x-7)=9
simplify
(-x+14=9)
isolate x for -x+14=9
x=5
y=2(5)-7
y=3
User Rohan Khajuria
by
8.1k points
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