5x-30=x-18

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Solution for 5x-30=x-18 equation:


Simplifying
5x + -30 = x + -18

Reorder the terms:
-30 + 5x = x + -18

Reorder the terms:
-30 + 5x = -18 + x

Solving
-30 + 5x = -18 + 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.
-30 + 5x + -1x = -18 + x + -1x

Combine like terms: 5x + -1x = 4x
-30 + 4x = -18 + x + -1x

Combine like terms: x + -1x = 0
-30 + 4x = -18 + 0
-30 + 4x = -18

Add '30' to each side of the equation.
-30 + 30 + 4x = -18 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = -18 + 30
4x = -18 + 30

Combine like terms: -18 + 30 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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