3X-6=2X+21

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Solution for 3X-6=2X+21 equation:


Simplifying
3X + -6 = 2X + 21

Reorder the terms:
-6 + 3X = 2X + 21

Reorder the terms:
-6 + 3X = 21 + 2X

Solving
-6 + 3X = 21 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
-6 + 3X + -2X = 21 + 2X + -2X

Combine like terms: 3X + -2X = 1X
-6 + 1X = 21 + 2X + -2X

Combine like terms: 2X + -2X = 0
-6 + 1X = 21 + 0
-6 + 1X = 21

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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