3x+42-4x=2-8x

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Solution for 3x+42-4x=2-8x equation:


Simplifying
3x + 42 + -4x = 2 + -8x

Reorder the terms:
42 + 3x + -4x = 2 + -8x

Combine like terms: 3x + -4x = -1x
42 + -1x = 2 + -8x

Solving
42 + -1x = 2 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
42 + -1x + 8x = 2 + -8x + 8x

Combine like terms: -1x + 8x = 7x
42 + 7x = 2 + -8x + 8x

Combine like terms: -8x + 8x = 0
42 + 7x = 2 + 0
42 + 7x = 2

Add '-42' to each side of the equation.
42 + -42 + 7x = 2 + -42

Combine like terms: 42 + -42 = 0
0 + 7x = 2 + -42
7x = 2 + -42

Combine like terms: 2 + -42 = -40
7x = -40

Divide each side by '7'.
x = -5.714285714

Simplifying
x = -5.714285714

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