-9b+7-8b=28

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Solution for -9b+7-8b=28 equation:


Simplifying
-9b + 7 + -8b = 28

Reorder the terms:
7 + -9b + -8b = 28

Combine like terms: -9b + -8b = -17b
7 + -17b = 28

Solving
7 + -17b = 28

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 + -17b = 28 + -7

Combine like terms: 7 + -7 = 0
0 + -17b = 28 + -7
-17b = 28 + -7

Combine like terms: 28 + -7 = 21
-17b = 21

Divide each side by '-17'.
b = -1.235294118

Simplifying
b = -1.235294118

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