3(3+x)=17+x

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Solution for 3(3+x)=17+x equation:


Simplifying
3(3 + x) = 17 + x
(3 * 3 + x * 3) = 17 + x
(9 + 3x) = 17 + x

Solving
9 + 3x = 17 + 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.
9 + 3x + -1x = 17 + x + -1x

Combine like terms: 3x + -1x = 2x
9 + 2x = 17 + x + -1x

Combine like terms: x + -1x = 0
9 + 2x = 17 + 0
9 + 2x = 17

Add '-9' to each side of the equation.
9 + -9 + 2x = 17 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 17 + -9
2x = 17 + -9

Combine like terms: 17 + -9 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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