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

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


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

Combine like terms: -3 + 15 = 12
12 = 3b + -7 + -2b

Reorder the terms:
12 = -7 + 3b + -2b

Combine like terms: 3b + -2b = 1b
12 = -7 + 1b

Solving
12 = -7 + 1b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
12 + -1b = -7 + 1b + -1b

Combine like terms: 1b + -1b = 0
12 + -1b = -7 + 0
12 + -1b = -7

Add '-12' to each side of the equation.
12 + -12 + -1b = -7 + -12

Combine like terms: 12 + -12 = 0
0 + -1b = -7 + -12
-1b = -7 + -12

Combine like terms: -7 + -12 = -19
-1b = -19

Divide each side by '-1'.
b = 19

Simplifying
b = 19

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