3(6+X)=40+X

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Solution for 3(6+X)=40+X equation: 


Simplifying
3(6 + X) = 40 + X
(6 * 3 + X * 3) = 40 + X
(18 + 3X) = 40 + X

Solving
18 + 3X = 40 + 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.
18 + 3X + -1X = 40 + X + -1X

Combine like terms: 3X + -1X = 2X
18 + 2X = 40 + X + -1X

Combine like terms: X + -1X = 0
18 + 2X = 40 + 0
18 + 2X = 40

Add '-18' to each side of the equation.
18 + -18 + 2X = 40 + -18

Combine like terms: 18 + -18 = 0
0 + 2X = 40 + -18
2X = 40 + -18

Combine like terms: 40 + -18 = 22
2X = 22

Divide each side by '2'.
X = 11

Simplifying
X = 11

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