12x+13=9x+4+12x

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Solution for 12x+13=9x+4+12x equation:


Simplifying
12x + 13 = 9x + 4 + 12x

Reorder the terms:
13 + 12x = 9x + 4 + 12x

Reorder the terms:
13 + 12x = 4 + 9x + 12x

Combine like terms: 9x + 12x = 21x
13 + 12x = 4 + 21x

Solving
13 + 12x = 4 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
13 + 12x + -21x = 4 + 21x + -21x

Combine like terms: 12x + -21x = -9x
13 + -9x = 4 + 21x + -21x

Combine like terms: 21x + -21x = 0
13 + -9x = 4 + 0
13 + -9x = 4

Add '-13' to each side of the equation.
13 + -13 + -9x = 4 + -13

Combine like terms: 13 + -13 = 0
0 + -9x = 4 + -13
-9x = 4 + -13

Combine like terms: 4 + -13 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

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