(-y)=7-2*1

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Solution for (-y)=7-2*1 equation:


(-y)=7-2*1

We simplify the equation to the form, which is simple to understand 
(-y)=7-2*1

Remove unnecessary parentheses
-y=7-2

We move all terms containing y to the left and all other terms to the right. 
-1y=+7-2

We simplify left and right side of the equation. 
-1y=+5

We divide both sides of the equation by -1 to get y. 
y=-5

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