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25 votes
25 votes
Solve for the indicated variable.5x - 8y = 40: for yya(Use integers or fractions for any numbe

User Vijay Chauhan
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1 Answer

12 votes
12 votes

To solve for y, we first write the equation


5x-8y=40

subtracting 5x from both sides gives


5x-8y-5x=40-5x
-8y=40-5x

Finally, dividing both sides by -8 gives


y=(40-5x)/(-8)
y=(40)/(-8)-(5x)/(-8)
y=-5+(5)/(8)x

or more neatly


\boxed{y=(5)/(8)x-5.}

User Darragh
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