7x+5x+4+9=3x+4+8x

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Solution for 7x+5x+4+9=3x+4+8x equation:


Simplifying
7x + 5x + 4 + 9 = 3x + 4 + 8x

Reorder the terms:
4 + 9 + 7x + 5x = 3x + 4 + 8x

Combine like terms: 4 + 9 = 13
13 + 7x + 5x = 3x + 4 + 8x

Combine like terms: 7x + 5x = 12x
13 + 12x = 3x + 4 + 8x

Reorder the terms:
13 + 12x = 4 + 3x + 8x

Combine like terms: 3x + 8x = 11x
13 + 12x = 4 + 11x

Solving
13 + 12x = 4 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
13 + 12x + -11x = 4 + 11x + -11x

Combine like terms: 12x + -11x = 1x
13 + 1x = 4 + 11x + -11x

Combine like terms: 11x + -11x = 0
13 + 1x = 4 + 0
13 + 1x = 4

Add '-13' to each side of the equation.
13 + -13 + 1x = 4 + -13

Combine like terms: 13 + -13 = 0
0 + 1x = 4 + -13
1x = 4 + -13

Combine like terms: 4 + -13 = -9
1x = -9

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

Simplifying
x = -9

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