2(b+7)-7=9

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Solution for 2(b+7)-7=9 equation: 


Simplifying
2(b + 7) + -7 = 9

Reorder the terms:
2(7 + b) + -7 = 9
(7 * 2 + b * 2) + -7 = 9
(14 + 2b) + -7 = 9

Reorder the terms:
14 + -7 + 2b = 9

Combine like terms: 14 + -7 = 7
7 + 2b = 9

Solving
7 + 2b = 9

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 2b = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 2b = 9 + -7
2b = 9 + -7

Combine like terms: 9 + -7 = 2
2b = 2

Divide each side by '2'.
b = 1

Simplifying
b = 1

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