9b-7+4b=-27

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Solution for 9b-7+4b=-27 equation:


Simplifying
9b + -7 + 4b = -27

Reorder the terms:
-7 + 9b + 4b = -27

Combine like terms: 9b + 4b = 13b
-7 + 13b = -27

Solving
-7 + 13b = -27

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 + 13b = -27 + 7

Combine like terms: -7 + 7 = 0
0 + 13b = -27 + 7
13b = -27 + 7

Combine like terms: -27 + 7 = -20
13b = -20

Divide each side by '13'.
b = -1.538461538

Simplifying
b = -1.538461538

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