(7-y)/4=5

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Solution for (7-y)/4=5 equation: 



(7-y)/4=5

We move all terms to the left:

(7-y)/4-(5)=0

We add all the numbers together, and all the variables

(-1y+7)/4-5=0

We multiply all the terms by the denominator


(-1y+7)-5*4=0

We add all the numbers together, and all the variables

(-1y+7)-20=0

We get rid of parentheses

-1y+7-20=0

We add all the numbers together, and all the variables

-1y-13=0

We move all terms containing y to the left, all other terms to the right

-y=13

y=13/-1

y=-13

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