7b-4-5b+8=

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


Simplifying
7b + -4 + -5b + 8 = 0

Reorder the terms:
-4 + 8 + 7b + -5b = 0

Combine like terms: -4 + 8 = 4
4 + 7b + -5b = 0

Combine like terms: 7b + -5b = 2b
4 + 2b = 0

Solving
4 + 2b = 0

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + 2b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 0 + -4
2b = 0 + -4

Combine like terms: 0 + -4 = -4
2b = -4

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

Simplifying
b = -2

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