18x-x+7=2x+21

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Solution for 18x-x+7=2x+21 equation:


Simplifying
18x + -1x + 7 = 2x + 21

Reorder the terms:
7 + 18x + -1x = 2x + 21

Combine like terms: 18x + -1x = 17x
7 + 17x = 2x + 21

Reorder the terms:
7 + 17x = 21 + 2x

Solving
7 + 17x = 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.
7 + 17x + -2x = 21 + 2x + -2x

Combine like terms: 17x + -2x = 15x
7 + 15x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
7 + 15x = 21 + 0
7 + 15x = 21

Add '-7' to each side of the equation.
7 + -7 + 15x = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 15x = 21 + -7
15x = 21 + -7

Combine like terms: 21 + -7 = 14
15x = 14

Divide each side by '15'.
x = 0.9333333333

Simplifying
x = 0.9333333333

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