9x+4+4x+8=12x+3

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Solution for 9x+4+4x+8=12x+3 equation:


Simplifying
9x + 4 + 4x + 8 = 12x + 3

Reorder the terms:
4 + 8 + 9x + 4x = 12x + 3

Combine like terms: 4 + 8 = 12
12 + 9x + 4x = 12x + 3

Combine like terms: 9x + 4x = 13x
12 + 13x = 12x + 3

Reorder the terms:
12 + 13x = 3 + 12x

Solving
12 + 13x = 3 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
12 + 13x + -12x = 3 + 12x + -12x

Combine like terms: 13x + -12x = 1x
12 + 1x = 3 + 12x + -12x

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

Add '-12' to each side of the equation.
12 + -12 + 1x = 3 + -12

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

Combine like terms: 3 + -12 = -9
1x = -9

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

Simplifying
x = -9

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