3b+7+5b=-9

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Solution for 3b+7+5b=-9 equation:


Simplifying
3b + 7 + 5b = -9

Reorder the terms:
7 + 3b + 5b = -9

Combine like terms: 3b + 5b = 8b
7 + 8b = -9

Solving
7 + 8b = -9

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 8b = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 8b = -9 + -7
8b = -9 + -7

Combine like terms: -9 + -7 = -16
8b = -16

Divide each side by '8'.
b = -2

Simplifying
b = -2

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