12+4x=21+15x+2

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Solution for 12+4x=21+15x+2 equation:


Simplifying
12 + 4x = 21 + 15x + 2

Reorder the terms:
12 + 4x = 21 + 2 + 15x

Combine like terms: 21 + 2 = 23
12 + 4x = 23 + 15x

Solving
12 + 4x = 23 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
12 + 4x + -15x = 23 + 15x + -15x

Combine like terms: 4x + -15x = -11x
12 + -11x = 23 + 15x + -15x

Combine like terms: 15x + -15x = 0
12 + -11x = 23 + 0
12 + -11x = 23

Add '-12' to each side of the equation.
12 + -12 + -11x = 23 + -12

Combine like terms: 12 + -12 = 0
0 + -11x = 23 + -12
-11x = 23 + -12

Combine like terms: 23 + -12 = 11
-11x = 11

Divide each side by '-11'.
x = -1

Simplifying
x = -1

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