4=2(10+b)

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Solution for 4=2(10+b) equation:


4=2(10+b)

We simplify the equation to the form, which is simple to understand 
4=2(10+b)

Reorder the terms in parentheses
4=+(+20+2b)

Remove unnecessary parentheses
+4=+20+2b

We move all terms containing b to the left and all other terms to the right. 
-2b=+20-4

We simplify left and right side of the equation. 
-2b=+16

We divide both sides of the equation by -02 to get b. 
b=-8

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