7x-72=4x+18

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Solution for 7x-72=4x+18 equation:


Simplifying
7x + -72 = 4x + 18

Reorder the terms:
-72 + 7x = 4x + 18

Reorder the terms:
-72 + 7x = 18 + 4x

Solving
-72 + 7x = 18 + 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.
-72 + 7x + -4x = 18 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-72 + 3x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
-72 + 3x = 18 + 0
-72 + 3x = 18

Add '72' to each side of the equation.
-72 + 72 + 3x = 18 + 72

Combine like terms: -72 + 72 = 0
0 + 3x = 18 + 72
3x = 18 + 72

Combine like terms: 18 + 72 = 90
3x = 90

Divide each side by '3'.
x = 30

Simplifying
x = 30

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