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Y=2x-9 y=8x-15 solve by substitution
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Y=2x-9 y=8x-15 solve by substitution

User Yuchen Zhou
by
8.7k points

1 Answer

3 votes

it goes like this

2x-9=8x-15

Get rid of the smaller variable

-2x on both sides

-9=8x-15

Add 15 to both sides

6=8x

Divide 8 on both sides

Thus, X= 3/4 or .75

Hope it helped (it did take a while to type)

User Art C
by
7.7k points
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