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3 years ago

What is 2x-3y=-1 y=x-1 Solving systems of equations by Substitution

Mathematics

1 answer:

Nadya [2.5K]3 years ago

3 0

2x - 3y = -1
y =x -1

2x - 3y = -1
2x - 3(x-1)=-1
2x-3x + 3 = -1
-x + 3 = -1
-x = -3 -1
-x = -4
x= 4

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