84+x=3x

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Solution for 84+x=3x equation:


Simplifying
84 + x = 3x

Solving
84 + x = 3x

Solving for variable 'x'.

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

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

Combine like terms: x + -3x = -2x
84 + -2x = 3x + -3x

Combine like terms: 3x + -3x = 0
84 + -2x = 0

Add '-84' to each side of the equation.
84 + -84 + -2x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -2x = 0 + -84
-2x = 0 + -84

Combine like terms: 0 + -84 = -84
-2x = -84

Divide each side by '-2'.
x = 42

Simplifying
x = 42

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