2x-15=x+6

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Solution for 2x-15=x+6 equation:


Simplifying
2x + -15 = x + 6

Reorder the terms:
-15 + 2x = x + 6

Reorder the terms:
-15 + 2x = 6 + x

Solving
-15 + 2x = 6 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-15 + 2x + -1x = 6 + x + -1x

Combine like terms: 2x + -1x = 1x
-15 + 1x = 6 + x + -1x

Combine like terms: x + -1x = 0
-15 + 1x = 6 + 0
-15 + 1x = 6

Add '15' to each side of the equation.
-15 + 15 + 1x = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 1x = 6 + 15
1x = 6 + 15

Combine like terms: 6 + 15 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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