7b-9=5b+13

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Solution for 7b-9=5b+13 equation:


Simplifying
7b + -9 = 5b + 13

Reorder the terms:
-9 + 7b = 5b + 13

Reorder the terms:
-9 + 7b = 13 + 5b

Solving
-9 + 7b = 13 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
-9 + 7b + -5b = 13 + 5b + -5b

Combine like terms: 7b + -5b = 2b
-9 + 2b = 13 + 5b + -5b

Combine like terms: 5b + -5b = 0
-9 + 2b = 13 + 0
-9 + 2b = 13

Add '9' to each side of the equation.
-9 + 9 + 2b = 13 + 9

Combine like terms: -9 + 9 = 0
0 + 2b = 13 + 9
2b = 13 + 9

Combine like terms: 13 + 9 = 22
2b = 22

Divide each side by '2'.
b = 11

Simplifying
b = 11

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