8x-10(3x-x)=42

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Solution for 8x-10(3x-x)=42 equation: 


Simplifying
8x + -10(3x + -1x) = 42

Combine like terms: 3x + -1x = 2x
8x + -10(2x) = 42

Remove parenthesis around (2x)
8x + -10 * 2x = 42

Multiply -10 * 2
8x + -20x = 42

Combine like terms: 8x + -20x = -12x
-12x = 42

Solving
-12x = 42

Solving for variable 'x'.

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

Divide each side by '-12'.
x = -3.5

Simplifying
x = -3.5

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