4X-30=X+39

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Solution for 4X-30=X+39 equation:


Simplifying
4X + -30 = X + 39

Reorder the terms:
-30 + 4X = X + 39

Reorder the terms:
-30 + 4X = 39 + X

Solving
-30 + 4X = 39 + 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 + 4X + -1X = 39 + X + -1X

Combine like terms: 4X + -1X = 3X
-30 + 3X = 39 + X + -1X

Combine like terms: X + -1X = 0
-30 + 3X = 39 + 0
-30 + 3X = 39

Add '30' to each side of the equation.
-30 + 30 + 3X = 39 + 30

Combine like terms: -30 + 30 = 0
0 + 3X = 39 + 30
3X = 39 + 30

Combine like terms: 39 + 30 = 69
3X = 69

Divide each side by '3'.
X = 23

Simplifying
X = 23

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