3*(1+x)=7

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Solution for 3*(1+x)=7 equation: 


Simplifying
3(1 + x) = 7
(1 * 3 + x * 3) = 7
(3 + 3x) = 7

Solving
3 + 3x = 7

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 7 + -3
3x = 7 + -3

Combine like terms: 7 + -3 = 4
3x = 4

Divide each side by '3'.
x = 1.333333333

Simplifying
x = 1.333333333

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