154=7(1-3b)

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Solution for 154=7(1-3b) equation:


154=7(1-3b)

We simplify the equation to the form, which is simple to understand 
154=7(1-3b)

Reorder the terms in parentheses
154=+(+7-21b)

Remove unnecessary parentheses
+154=+7-21b

We move all terms containing b to the left and all other terms to the right. 
+21b=+7-154

We simplify left and right side of the equation. 
+21b=-147

We divide both sides of the equation by 021 to get b. 
b=-7

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