2(b+2)-(8+b)=-7

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Solution for 2(b+2)-(8+b)=-7 equation:


Simplifying
2(b + 2) + -1(8 + b) = -7

Reorder the terms:
2(2 + b) + -1(8 + b) = -7
(2 * 2 + b * 2) + -1(8 + b) = -7
(4 + 2b) + -1(8 + b) = -7
4 + 2b + (8 * -1 + b * -1) = -7
4 + 2b + (-8 + -1b) = -7

Reorder the terms:
4 + -8 + 2b + -1b = -7

Combine like terms: 4 + -8 = -4
-4 + 2b + -1b = -7

Combine like terms: 2b + -1b = 1b
-4 + 1b = -7

Solving
-4 + 1b = -7

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + 1b = -7 + 4

Combine like terms: -4 + 4 = 0
0 + 1b = -7 + 4
1b = -7 + 4

Combine like terms: -7 + 4 = -3
1b = -3

Divide each side by '1'.
b = -3

Simplifying
b = -3

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