3x+18=2-x

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Solution for 3x+18=2-x equation:


Simplifying
3x + 18 = 2 + -1x

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

Solving
18 + 3x = 2 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
18 + 3x + x = 2 + -1x + x

Combine like terms: 3x + x = 4x
18 + 4x = 2 + -1x + x

Combine like terms: -1x + x = 0
18 + 4x = 2 + 0
18 + 4x = 2

Add '-18' to each side of the equation.
18 + -18 + 4x = 2 + -18

Combine like terms: 18 + -18 = 0
0 + 4x = 2 + -18
4x = 2 + -18

Combine like terms: 2 + -18 = -16
4x = -16

Divide each side by '4'.
x = -4

Simplifying
x = -4

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