b+7(1-3b)=7-7b

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


Simplifying
b + 7(1 + -3b) = 7 + -7b
b + (1 * 7 + -3b * 7) = 7 + -7b
b + (7 + -21b) = 7 + -7b

Reorder the terms:
7 + b + -21b = 7 + -7b

Combine like terms: b + -21b = -20b
7 + -20b = 7 + -7b

Add '-7' to each side of the equation.
7 + -7 + -20b = 7 + -7 + -7b

Combine like terms: 7 + -7 = 0
0 + -20b = 7 + -7 + -7b
-20b = 7 + -7 + -7b

Combine like terms: 7 + -7 = 0
-20b = 0 + -7b
-20b = -7b

Solving
-20b = -7b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '7b' to each side of the equation.
-20b + 7b = -7b + 7b

Combine like terms: -20b + 7b = -13b
-13b = -7b + 7b

Combine like terms: -7b + 7b = 0
-13b = 0

Divide each side by '-13'.
b = 0

Simplifying
b = 0

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