18+x+(1-4x)=42

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Solution for 18+x+(1-4x)=42 equation:


Simplifying
18 + x + (1 + -4x) = 42

Remove parenthesis around (1 + -4x)
18 + x + 1 + -4x = 42

Reorder the terms:
18 + 1 + x + -4x = 42

Combine like terms: 18 + 1 = 19
19 + x + -4x = 42

Combine like terms: x + -4x = -3x
19 + -3x = 42

Solving
19 + -3x = 42

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -3x = 42 + -19

Combine like terms: 19 + -19 = 0
0 + -3x = 42 + -19
-3x = 42 + -19

Combine like terms: 42 + -19 = 23
-3x = 23

Divide each side by '-3'.
x = -7.666666667

Simplifying
x = -7.666666667

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