7x+54=3x+18

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Solution for 7x+54=3x+18 equation:


Simplifying
7x + 54 = 3x + 18

Reorder the terms:
54 + 7x = 3x + 18

Reorder the terms:
54 + 7x = 18 + 3x

Solving
54 + 7x = 18 + 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.
54 + 7x + -3x = 18 + 3x + -3x

Combine like terms: 7x + -3x = 4x
54 + 4x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
54 + 4x = 18 + 0
54 + 4x = 18

Add '-54' to each side of the equation.
54 + -54 + 4x = 18 + -54

Combine like terms: 54 + -54 = 0
0 + 4x = 18 + -54
4x = 18 + -54

Combine like terms: 18 + -54 = -36
4x = -36

Divide each side by '4'.
x = -9

Simplifying
x = -9

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