x-30=3x

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Solution for x-30=3x equation:


Simplifying
x + -30 = 3x

Reorder the terms:
-30 + x = 3x

Solving
-30 + x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-30 + x + -3x = 3x + -3x

Combine like terms: x + -3x = -2x
-30 + -2x = 3x + -3x

Combine like terms: 3x + -3x = 0
-30 + -2x = 0

Add '30' to each side of the equation.
-30 + 30 + -2x = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -2x = 0 + 30
-2x = 0 + 30

Combine like terms: 0 + 30 = 30
-2x = 30

Divide each side by '-2'.
x = -15

Simplifying
x = -15

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