7(4-y)=42

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Solution for 7(4-y)=42 equation: 



7(4-y)=42

We move all terms to the left:

7(4-y)-(42)=0

We add all the numbers together, and all the variables

7(-1y+4)-42=0

We multiply parentheses

-7y+28-42=0

We add all the numbers together, and all the variables

-7y-14=0

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

-7y=14

y=14/-7

y=-2

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