-13=2b-7-8

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Solution for -13=2b-7-8 equation:


Simplifying
-13 = 2b + -7 + -8

Reorder the terms:
-13 = -7 + -8 + 2b

Combine like terms: -7 + -8 = -15
-13 = -15 + 2b

Solving
-13 = -15 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-13 + -2b = -15 + 2b + -2b

Combine like terms: 2b + -2b = 0
-13 + -2b = -15 + 0
-13 + -2b = -15

Add '13' to each side of the equation.
-13 + 13 + -2b = -15 + 13

Combine like terms: -13 + 13 = 0
0 + -2b = -15 + 13
-2b = -15 + 13

Combine like terms: -15 + 13 = -2
-2b = -2

Divide each side by '-2'.
b = 1

Simplifying
b = 1

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