3+6X=18+X

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Solution for 3+6X=18+X equation:


Simplifying
3 + 6X = 18 + X

Solving
3 + 6X = 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.
3 + 6X + -1X = 18 + X + -1X

Combine like terms: 6X + -1X = 5X
3 + 5X = 18 + X + -1X

Combine like terms: X + -1X = 0
3 + 5X = 18 + 0
3 + 5X = 18

Add '-3' to each side of the equation.
3 + -3 + 5X = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 5X = 18 + -3
5X = 18 + -3

Combine like terms: 18 + -3 = 15
5X = 15

Divide each side by '5'.
X = 3

Simplifying
X = 3

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