3(3+x)=40

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Solution for 3(3+x)=40 equation: 


Simplifying
3(3 + x) = 40
(3 * 3 + x * 3) = 40
(9 + 3x) = 40

Solving
9 + 3x = 40

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 40 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 40 + -9
3x = 40 + -9

Combine like terms: 40 + -9 = 31
3x = 31

Divide each side by '3'.
x = 10.33333333

Simplifying
x = 10.33333333

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