12x+3=7x-8

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Solution for 12x+3=7x-8 equation:


Simplifying
12x + 3 = 7x + -8

Reorder the terms:
3 + 12x = 7x + -8

Reorder the terms:
3 + 12x = -8 + 7x

Solving
3 + 12x = -8 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + 12x + -7x = -8 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
3 + 5x = -8 + 0
3 + 5x = -8

Add '-3' to each side of the equation.
3 + -3 + 5x = -8 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = -8 + -3
5x = -8 + -3

Combine like terms: -8 + -3 = -11
5x = -11

Divide each side by '5'.
x = -2.2

Simplifying
x = -2.2

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