18+3(x-4)=54

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Solution for 18+3(x-4)=54 equation:


Simplifying
18 + 3(x + -4) = 54

Reorder the terms:
18 + 3(-4 + x) = 54
18 + (-4 * 3 + x * 3) = 54
18 + (-12 + 3x) = 54

Combine like terms: 18 + -12 = 6
6 + 3x = 54

Solving
6 + 3x = 54

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = 54 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 54 + -6
3x = 54 + -6

Combine like terms: 54 + -6 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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