7b-15=5b-s

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Solution for 7b-15=5b-s equation:


Simplifying
7b + -15 = 5b + -1s

Reorder the terms:
-15 + 7b = 5b + -1s

Solving
-15 + 7b = 5b + -1s

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.
-15 + 7b + -5b = 5b + -5b + -1s

Combine like terms: 7b + -5b = 2b
-15 + 2b = 5b + -5b + -1s

Combine like terms: 5b + -5b = 0
-15 + 2b = 0 + -1s
-15 + 2b = -1s

Add '15' to each side of the equation.
-15 + 15 + 2b = 15 + -1s

Combine like terms: -15 + 15 = 0
0 + 2b = 15 + -1s
2b = 15 + -1s

Divide each side by '2'.
b = 7.5 + -0.5s

Simplifying
b = 7.5 + -0.5s

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