40=-2(4z)

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Solution for 40=-2(4z) equation:


40=-2(4z)

We simplify the equation to the form, which is simple to understand 
40=-2(4z)

Reorder the terms in parentheses
40=+(-8z)

Remove unnecessary parentheses
+40=-8z

We move all terms containing z to the left and all other terms to the right. 
+8z=-40

We simplify left and right side of the equation. 
+8z=-40

We divide both sides of the equation by 08 to get z. 
z=-5

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