b-7+b-8=0

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Solution for b-7+b-8=0 equation:


Simplifying
b + -7 + b + -8 = 0

Reorder the terms:
-7 + -8 + b + b = 0

Combine like terms: -7 + -8 = -15
-15 + b + b = 0

Combine like terms: b + b = 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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