11x+12=9x+x+15

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Solution for 11x+12=9x+x+15 equation:


Simplifying
11x + 12 = 9x + x + 15

Reorder the terms:
12 + 11x = 9x + x + 15

Reorder the terms:
12 + 11x = 15 + 9x + x

Combine like terms: 9x + x = 10x
12 + 11x = 15 + 10x

Solving
12 + 11x = 15 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
12 + 11x + -10x = 15 + 10x + -10x

Combine like terms: 11x + -10x = 1x
12 + 1x = 15 + 10x + -10x

Combine like terms: 10x + -10x = 0
12 + 1x = 15 + 0
12 + 1x = 15

Add '-12' to each side of the equation.
12 + -12 + 1x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 15 + -12
1x = 15 + -12

Combine like terms: 15 + -12 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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