b-4+2b+15=b-7+4

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Solution for b-4+2b+15=b-7+4 equation:


Simplifying
b + -4 + 2b + 15 = b + -7 + 4

Reorder the terms:
-4 + 15 + b + 2b = b + -7 + 4

Combine like terms: -4 + 15 = 11
11 + b + 2b = b + -7 + 4

Combine like terms: b + 2b = 3b
11 + 3b = b + -7 + 4

Reorder the terms:
11 + 3b = -7 + 4 + b

Combine like terms: -7 + 4 = -3
11 + 3b = -3 + b

Solving
11 + 3b = -3 + b

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.
11 + 3b + -1b = -3 + b + -1b

Combine like terms: 3b + -1b = 2b
11 + 2b = -3 + b + -1b

Combine like terms: b + -1b = 0
11 + 2b = -3 + 0
11 + 2b = -3

Add '-11' to each side of the equation.
11 + -11 + 2b = -3 + -11

Combine like terms: 11 + -11 = 0
0 + 2b = -3 + -11
2b = -3 + -11

Combine like terms: -3 + -11 = -14
2b = -14

Divide each side by '2'.
b = -7

Simplifying
b = -7

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