2x-b+8+3x+4=

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Solution for 2x-b+8+3x+4= equation:


Simplifying
2x + -1b + 8 + 3x + 4 = 0

Reorder the terms:
8 + 4 + -1b + 2x + 3x = 0

Combine like terms: 8 + 4 = 12
12 + -1b + 2x + 3x = 0

Combine like terms: 2x + 3x = 5x
12 + -1b + 5x = 0

Solving
12 + -1b + 5x = 0

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -1b + -12 + 5x = 0 + -12

Reorder the terms:
12 + -12 + -1b + 5x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1b + 5x = 0 + -12
-1b + 5x = 0 + -12

Combine like terms: 0 + -12 = -12
-1b + 5x = -12

Add '-5x' to each side of the equation.
-1b + 5x + -5x = -12 + -5x

Combine like terms: 5x + -5x = 0
-1b + 0 = -12 + -5x
-1b = -12 + -5x

Divide each side by '-1'.
b = 12 + 5x

Simplifying
b = 12 + 5x

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