4x-3x-6=21

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Solution for 4x-3x-6=21 equation:


Simplifying
4x + -3x + -6 = 21

Reorder the terms:
-6 + 4x + -3x = 21

Combine like terms: 4x + -3x = 1x
-6 + 1x = 21

Solving
-6 + 1x = 21

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 1x = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 1x = 21 + 6
1x = 21 + 6

Combine like terms: 21 + 6 = 27
1x = 27

Divide each side by '1'.
x = 27

Simplifying
x = 27

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