40=30-2(x-3)

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Solution for 40=30-2(x-3) equation:


40=30-2(x-3)

We simplify the equation to the form, which is simple to understand 
40=30-2(x-3)

Reorder the terms in parentheses
40=30+(-2x+6)

Remove unnecessary parentheses
+40=+30-2x+6

We move all terms containing x to the left and all other terms to the right. 
+2x=+30+6-40

We simplify left and right side of the equation. 
+2x=-4

We divide both sides of the equation by 02 to get x. 
x=-2

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