6x-21-2-2x-6=-9

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Solution for 6x-21-2-2x-6=-9 equation:


Simplifying
6x + -21 + -2 + -2x + -6 = -9

Reorder the terms:
-21 + -2 + -6 + 6x + -2x = -9

Combine like terms: -21 + -2 = -23
-23 + -6 + 6x + -2x = -9

Combine like terms: -23 + -6 = -29
-29 + 6x + -2x = -9

Combine like terms: 6x + -2x = 4x
-29 + 4x = -9

Solving
-29 + 4x = -9

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + 4x = -9 + 29

Combine like terms: -29 + 29 = 0
0 + 4x = -9 + 29
4x = -9 + 29

Combine like terms: -9 + 29 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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