3x+x-42=-2

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


Simplifying
3x + x + -42 = -2

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

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

Solving
-42 + 4x = -2

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 4x = -2 + 42

Combine like terms: -42 + 42 = 0
0 + 4x = -2 + 42
4x = -2 + 42

Combine like terms: -2 + 42 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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