4x+12x=3+7x-9

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Solution for 4x+12x=3+7x-9 equation:


Simplifying
4x + 12x = 3 + 7x + -9

Combine like terms: 4x + 12x = 16x
16x = 3 + 7x + -9

Reorder the terms:
16x = 3 + -9 + 7x

Combine like terms: 3 + -9 = -6
16x = -6 + 7x

Solving
16x = -6 + 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.
16x + -7x = -6 + 7x + -7x

Combine like terms: 16x + -7x = 9x
9x = -6 + 7x + -7x

Combine like terms: 7x + -7x = 0
9x = -6 + 0
9x = -6

Divide each side by '9'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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