-3b+15b+7=8b+43

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Solution for -3b+15b+7=8b+43 equation:


Simplifying
-3b + 15b + 7 = 8b + 43

Reorder the terms:
7 + -3b + 15b = 8b + 43

Combine like terms: -3b + 15b = 12b
7 + 12b = 8b + 43

Reorder the terms:
7 + 12b = 43 + 8b

Solving
7 + 12b = 43 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
7 + 12b + -8b = 43 + 8b + -8b

Combine like terms: 12b + -8b = 4b
7 + 4b = 43 + 8b + -8b

Combine like terms: 8b + -8b = 0
7 + 4b = 43 + 0
7 + 4b = 43

Add '-7' to each side of the equation.
7 + -7 + 4b = 43 + -7

Combine like terms: 7 + -7 = 0
0 + 4b = 43 + -7
4b = 43 + -7

Combine like terms: 43 + -7 = 36
4b = 36

Divide each side by '4'.
b = 9

Simplifying
b = 9

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