8b+7=4b-5

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Solution for 8b+7=4b-5 equation:


Simplifying
8b + 7 = 4b + -5

Reorder the terms:
7 + 8b = 4b + -5

Reorder the terms:
7 + 8b = -5 + 4b

Solving
7 + 8b = -5 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
7 + 8b + -4b = -5 + 4b + -4b

Combine like terms: 8b + -4b = 4b
7 + 4b = -5 + 4b + -4b

Combine like terms: 4b + -4b = 0
7 + 4b = -5 + 0
7 + 4b = -5

Add '-7' to each side of the equation.
7 + -7 + 4b = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 4b = -5 + -7
4b = -5 + -7

Combine like terms: -5 + -7 = -12
4b = -12

Divide each side by '4'.
b = -3

Simplifying
b = -3

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