-7b-4+7=15-5b

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Solution for -7b-4+7=15-5b equation:


Simplifying
-7b + -4 + 7 = 15 + -5b

Reorder the terms:
-4 + 7 + -7b = 15 + -5b

Combine like terms: -4 + 7 = 3
3 + -7b = 15 + -5b

Solving
3 + -7b = 15 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
3 + -7b + 5b = 15 + -5b + 5b

Combine like terms: -7b + 5b = -2b
3 + -2b = 15 + -5b + 5b

Combine like terms: -5b + 5b = 0
3 + -2b = 15 + 0
3 + -2b = 15

Add '-3' to each side of the equation.
3 + -3 + -2b = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -2b = 15 + -3
-2b = 15 + -3

Combine like terms: 15 + -3 = 12
-2b = 12

Divide each side by '-2'.
b = -6

Simplifying
b = -6

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