3(1-x)+2x=7-(x+1)

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

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

Combine like terms: -3x + 2x = -1x
3 + -1x = 7 + -1(x + 1)

Reorder the terms:
3 + -1x = 7 + -1(1 + x)
3 + -1x = 7 + (1 * -1 + x * -1)
3 + -1x = 7 + (-1 + -1x)

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

Add 'x' to each side of the equation.
3 + -1x + x = 6 + -1x + x

Combine like terms: -1x + x = 0
3 + 0 = 6 + -1x + x
3 = 6 + -1x + x

Combine like terms: -1x + x = 0
3 = 6 + 0
3 = 6

Solving
3 = 6

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.