-3b+7=-15b+2b

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Solution for -3b+7=-15b+2b equation:


Simplifying
-3b + 7 = -15b + 2b

Reorder the terms:
7 + -3b = -15b + 2b

Combine like terms: -15b + 2b = -13b
7 + -3b = -13b

Solving
7 + -3b = -13b

Solving for variable 'b'.

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

Add '13b' to each side of the equation.
7 + -3b + 13b = -13b + 13b

Combine like terms: -3b + 13b = 10b
7 + 10b = -13b + 13b

Combine like terms: -13b + 13b = 0
7 + 10b = 0

Add '-7' to each side of the equation.
7 + -7 + 10b = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 10b = 0 + -7
10b = 0 + -7

Combine like terms: 0 + -7 = -7
10b = -7

Divide each side by '10'.
b = -0.7

Simplifying
b = -0.7

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