-7=8-4b+7b

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Solution for -7=8-4b+7b equation:


Simplifying
-7 = 8 + -4b + 7b

Combine like terms: -4b + 7b = 3b
-7 = 8 + 3b

Solving
-7 = 8 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-7 + -3b = 8 + 3b + -3b

Combine like terms: 3b + -3b = 0
-7 + -3b = 8 + 0
-7 + -3b = 8

Add '7' to each side of the equation.
-7 + 7 + -3b = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -3b = 8 + 7
-3b = 8 + 7

Combine like terms: 8 + 7 = 15
-3b = 15

Divide each side by '-3'.
b = -5

Simplifying
b = -5

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