9x+4+5x+8=12x+4

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Solution for 9x+4+5x+8=12x+4 equation:


Simplifying
9x + 4 + 5x + 8 = 12x + 4

Reorder the terms:
4 + 8 + 9x + 5x = 12x + 4

Combine like terms: 4 + 8 = 12
12 + 9x + 5x = 12x + 4

Combine like terms: 9x + 5x = 14x
12 + 14x = 12x + 4

Reorder the terms:
12 + 14x = 4 + 12x

Solving
12 + 14x = 4 + 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 + 14x + -12x = 4 + 12x + -12x

Combine like terms: 14x + -12x = 2x
12 + 2x = 4 + 12x + -12x

Combine like terms: 12x + -12x = 0
12 + 2x = 4 + 0
12 + 2x = 4

Add '-12' to each side of the equation.
12 + -12 + 2x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 4 + -12
2x = 4 + -12

Combine like terms: 4 + -12 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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