15-7b=3-5b

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Solution for 15-7b=3-5b equation:


Simplifying
15 + -7b = 3 + -5b

Solving
15 + -7b = 3 + -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 + -7b + 5b = 3 + -5b + 5b

Combine like terms: -7b + 5b = -2b
15 + -2b = 3 + -5b + 5b

Combine like terms: -5b + 5b = 0
15 + -2b = 3 + 0
15 + -2b = 3

Add '-15' to each side of the equation.
15 + -15 + -2b = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -2b = 3 + -15
-2b = 3 + -15

Combine like terms: 3 + -15 = -12
-2b = -12

Divide each side by '-2'.
b = 6

Simplifying
b = 6

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