12x-3x=7+4x-3x

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Solution for 12x-3x=7+4x-3x equation:


Simplifying
12x + -3x = 7 + 4x + -3x

Combine like terms: 12x + -3x = 9x
9x = 7 + 4x + -3x

Combine like terms: 4x + -3x = 1x
9x = 7 + 1x

Solving
9x = 7 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9x + -1x = 7 + 1x + -1x

Combine like terms: 9x + -1x = 8x
8x = 7 + 1x + -1x

Combine like terms: 1x + -1x = 0
8x = 7 + 0
8x = 7

Divide each side by '8'.
x = 0.875

Simplifying
x = 0.875

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