15x-18=7x+54

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Solution for 15x-18=7x+54 equation:


Simplifying
15x + -18 = 7x + 54

Reorder the terms:
-18 + 15x = 7x + 54

Reorder the terms:
-18 + 15x = 54 + 7x

Solving
-18 + 15x = 54 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-18 + 15x + -7x = 54 + 7x + -7x

Combine like terms: 15x + -7x = 8x
-18 + 8x = 54 + 7x + -7x

Combine like terms: 7x + -7x = 0
-18 + 8x = 54 + 0
-18 + 8x = 54

Add '18' to each side of the equation.
-18 + 18 + 8x = 54 + 18

Combine like terms: -18 + 18 = 0
0 + 8x = 54 + 18
8x = 54 + 18

Combine like terms: 54 + 18 = 72
8x = 72

Divide each side by '8'.
x = 9

Simplifying
x = 9

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