45=-5(a-1)

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Solution for 45=-5(a-1) equation:


45=-5(a-1)

We simplify the equation to the form, which is simple to understand 
45=-5(a-1)

Reorder the terms in parentheses
45=+(-5a+5)

Remove unnecessary parentheses
+45=-5a+5

We move all terms containing a to the left and all other terms to the right. 
+5a=+5-45

We simplify left and right side of the equation. 
+5a=-40

We divide both sides of the equation by 05 to get a. 
a=-8

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