(7y-4)+y=140

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Solution for (7y-4)+y=140 equation: 



(7y-4)+y=140

We move all terms to the left:

(7y-4)+y-(140)=0

We add all the numbers together, and all the variables

y+(7y-4)-140=0

We get rid of parentheses

y+7y-4-140=0

We add all the numbers together, and all the variables

8y-144=0

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

8y=144

y=144/8

y=18

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