3(1+2x)-x=7

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Solution for 3(1+2x)-x=7 equation:


Simplifying
3(1 + 2x) + -1x = 7
(1 * 3 + 2x * 3) + -1x = 7
(3 + 6x) + -1x = 7

Combine like terms: 6x + -1x = 5x
3 + 5x = 7

Solving
3 + 5x = 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 + 5x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 7 + -3
5x = 7 + -3

Combine like terms: 7 + -3 = 4
5x = 4

Divide each side by '5'.
x = 0.8

Simplifying
x = 0.8

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