-2(3x-1)-4(1-7x)=42

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Solution for -2(3x-1)-4(1-7x)=42 equation:


Simplifying
-2(3x + -1) + -4(1 + -7x) = 42

Reorder the terms:
-2(-1 + 3x) + -4(1 + -7x) = 42
(-1 * -2 + 3x * -2) + -4(1 + -7x) = 42
(2 + -6x) + -4(1 + -7x) = 42
2 + -6x + (1 * -4 + -7x * -4) = 42
2 + -6x + (-4 + 28x) = 42

Reorder the terms:
2 + -4 + -6x + 28x = 42

Combine like terms: 2 + -4 = -2
-2 + -6x + 28x = 42

Combine like terms: -6x + 28x = 22x
-2 + 22x = 42

Solving
-2 + 22x = 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 + 22x = 42 + 2

Combine like terms: -2 + 2 = 0
0 + 22x = 42 + 2
22x = 42 + 2

Combine like terms: 42 + 2 = 44
22x = 44

Divide each side by '22'.
x = 2

Simplifying
x = 2

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