2X-30-X=30-4X

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Solution for 2X-30-X=30-4X equation:


Simplifying
2X + -30 + -1X = 30 + -4X

Reorder the terms:
-30 + 2X + -1X = 30 + -4X

Combine like terms: 2X + -1X = 1X
-30 + 1X = 30 + -4X

Solving
-30 + 1X = 30 + -4X

Solving for variable 'X'.

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

Add '4X' to each side of the equation.
-30 + 1X + 4X = 30 + -4X + 4X

Combine like terms: 1X + 4X = 5X
-30 + 5X = 30 + -4X + 4X

Combine like terms: -4X + 4X = 0
-30 + 5X = 30 + 0
-30 + 5X = 30

Add '30' to each side of the equation.
-30 + 30 + 5X = 30 + 30

Combine like terms: -30 + 30 = 0
0 + 5X = 30 + 30
5X = 30 + 30

Combine like terms: 30 + 30 = 60
5X = 60

Divide each side by '5'.
X = 12

Simplifying
X = 12

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