3x-(x-2)=18

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Solution for 3x-(x-2)=18 equation:


Simplifying
3x + -1(x + -2) = 18

Reorder the terms:
3x + -1(-2 + x) = 18
3x + (-2 * -1 + x * -1) = 18
3x + (2 + -1x) = 18

Reorder the terms:
2 + 3x + -1x = 18

Combine like terms: 3x + -1x = 2x
2 + 2x = 18

Solving
2 + 2x = 18

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 2x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 2x = 18 + -2
2x = 18 + -2

Combine like terms: 18 + -2 = 16
2x = 16

Divide each side by '2'.
x = 8

Simplifying
x = 8

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