5b-6-7b-9=

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Solution for 5b-6-7b-9= equation:


Simplifying
5b + -6 + -7b + -9 = 0

Reorder the terms:
-6 + -9 + 5b + -7b = 0

Combine like terms: -6 + -9 = -15
-15 + 5b + -7b = 0

Combine like terms: 5b + -7b = -2b
-15 + -2b = 0

Solving
-15 + -2b = 0

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + -2b = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -2b = 0 + 15
-2b = 0 + 15

Combine like terms: 0 + 15 = 15
-2b = 15

Divide each side by '-2'.
b = -7.5

Simplifying
b = -7.5

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