2b-9=7+7b

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Solution for 2b-9=7+7b equation:


Simplifying
2b + -9 = 7 + 7b

Reorder the terms:
-9 + 2b = 7 + 7b

Solving
-9 + 2b = 7 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-9 + 2b + -7b = 7 + 7b + -7b

Combine like terms: 2b + -7b = -5b
-9 + -5b = 7 + 7b + -7b

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

Add '9' to each side of the equation.
-9 + 9 + -5b = 7 + 9

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

Combine like terms: 7 + 9 = 16
-5b = 16

Divide each side by '-5'.
b = -3.2

Simplifying
b = -3.2

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