3-x+4=x+7

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Solution for 3-x+4=x+7 equation:


Simplifying
3 + -1x + 4 = x + 7

Reorder the terms:
3 + 4 + -1x = x + 7

Combine like terms: 3 + 4 = 7
7 + -1x = x + 7

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 7 + -7 + x

Combine like terms: 7 + -7 = 0
0 + -1x = 7 + -7 + x
-1x = 7 + -7 + x

Combine like terms: 7 + -7 = 0
-1x = 0 + x
-1x = x

Solving
-1x = 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.
-1x + -1x = x + -1x

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

Combine like terms: x + -1x = 0
-2x = 0

Divide each side by '-2'.
x = 0

Simplifying
x = 0

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