3x+3-x=7+x-1

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Solution for 3x+3-x=7+x-1 equation:


Simplifying
3x + 3 + -1x = 7 + x + -1

Reorder the terms:
3 + 3x + -1x = 7 + x + -1

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

Reorder the terms:
3 + 2x = 7 + -1 + x

Combine like terms: 7 + -1 = 6
3 + 2x = 6 + x

Solving
3 + 2x = 6 + 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.
3 + 2x + -1x = 6 + x + -1x

Combine like terms: 2x + -1x = 1x
3 + 1x = 6 + x + -1x

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

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

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

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

Divide each side by '1'.
x = 3

Simplifying
x = 3

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