15-3b=8-5b

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Solution for 15-3b=8-5b equation:


Simplifying
15 + -3b = 8 + -5b

Solving
15 + -3b = 8 + -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.
15 + -3b + 5b = 8 + -5b + 5b

Combine like terms: -3b + 5b = 2b
15 + 2b = 8 + -5b + 5b

Combine like terms: -5b + 5b = 0
15 + 2b = 8 + 0
15 + 2b = 8

Add '-15' to each side of the equation.
15 + -15 + 2b = 8 + -15

Combine like terms: 15 + -15 = 0
0 + 2b = 8 + -15
2b = 8 + -15

Combine like terms: 8 + -15 = -7
2b = -7

Divide each side by '2'.
b = -3.5

Simplifying
b = -3.5

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