4x+42=x+18

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Solution for 4x+42=x+18 equation:


Simplifying
4x + 42 = x + 18

Reorder the terms:
42 + 4x = x + 18

Reorder the terms:
42 + 4x = 18 + x

Solving
42 + 4x = 18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
42 + 4x + -1x = 18 + x + -1x

Combine like terms: 4x + -1x = 3x
42 + 3x = 18 + x + -1x

Combine like terms: x + -1x = 0
42 + 3x = 18 + 0
42 + 3x = 18

Add '-42' to each side of the equation.
42 + -42 + 3x = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 18 + -42
3x = 18 + -42

Combine like terms: 18 + -42 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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