4x-12-2x-21=-6

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Solution for 4x-12-2x-21=-6 equation:


Simplifying
4x + -12 + -2x + -21 = -6

Reorder the terms:
-12 + -21 + 4x + -2x = -6

Combine like terms: -12 + -21 = -33
-33 + 4x + -2x = -6

Combine like terms: 4x + -2x = 2x
-33 + 2x = -6

Solving
-33 + 2x = -6

Solving for variable 'x'.

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

Add '33' to each side of the equation.
-33 + 33 + 2x = -6 + 33

Combine like terms: -33 + 33 = 0
0 + 2x = -6 + 33
2x = -6 + 33

Combine like terms: -6 + 33 = 27
2x = 27

Divide each side by '2'.
x = 13.5

Simplifying
x = 13.5

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