18x-8(x+12)=42

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Solution for 18x-8(x+12)=42 equation:


Simplifying
18x + -8(x + 12) = 42

Reorder the terms:
18x + -8(12 + x) = 42
18x + (12 * -8 + x * -8) = 42
18x + (-96 + -8x) = 42

Reorder the terms:
-96 + 18x + -8x = 42

Combine like terms: 18x + -8x = 10x
-96 + 10x = 42

Solving
-96 + 10x = 42

Solving for variable 'x'.

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

Add '96' to each side of the equation.
-96 + 96 + 10x = 42 + 96

Combine like terms: -96 + 96 = 0
0 + 10x = 42 + 96
10x = 42 + 96

Combine like terms: 42 + 96 = 138
10x = 138

Divide each side by '10'.
x = 13.8

Simplifying
x = 13.8

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