15-8b=-18-6b-7

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Solution for 15-8b=-18-6b-7 equation:


Simplifying
15 + -8b = -18 + -6b + -7

Reorder the terms:
15 + -8b = -18 + -7 + -6b

Combine like terms: -18 + -7 = -25
15 + -8b = -25 + -6b

Solving
15 + -8b = -25 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
15 + -8b + 6b = -25 + -6b + 6b

Combine like terms: -8b + 6b = -2b
15 + -2b = -25 + -6b + 6b

Combine like terms: -6b + 6b = 0
15 + -2b = -25 + 0
15 + -2b = -25

Add '-15' to each side of the equation.
15 + -15 + -2b = -25 + -15

Combine like terms: 15 + -15 = 0
0 + -2b = -25 + -15
-2b = -25 + -15

Combine like terms: -25 + -15 = -40
-2b = -40

Divide each side by '-2'.
b = 20

Simplifying
b = 20

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