4(3x-1)-(x-2)=42

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Solution for 4(3x-1)-(x-2)=42 equation:


Simplifying
4(3x + -1) + -1(x + -2) = 42

Reorder the terms:
4(-1 + 3x) + -1(x + -2) = 42
(-1 * 4 + 3x * 4) + -1(x + -2) = 42
(-4 + 12x) + -1(x + -2) = 42

Reorder the terms:
-4 + 12x + -1(-2 + x) = 42
-4 + 12x + (-2 * -1 + x * -1) = 42
-4 + 12x + (2 + -1x) = 42

Reorder the terms:
-4 + 2 + 12x + -1x = 42

Combine like terms: -4 + 2 = -2
-2 + 12x + -1x = 42

Combine like terms: 12x + -1x = 11x
-2 + 11x = 42

Solving
-2 + 11x = 42

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 11x = 42 + 2

Combine like terms: -2 + 2 = 0
0 + 11x = 42 + 2
11x = 42 + 2

Combine like terms: 42 + 2 = 44
11x = 44

Divide each side by '11'.
x = 4

Simplifying
x = 4

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