3 years ago

Substituting x-4=y and -5y+8x=29

Mathematics

2 answers:

ira [324]3 years ago

5 0

-5(x-4) +8x=29
-5x+20+8x=29
3x+20=29
3x=9
X=3

Marianna [84]3 years ago

3 0

The answer is x=3. Work shown in the photo above!

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