3-x=3x+7

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


Simplifying
3 + -1x = 3x + 7

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

Solving
3 + -1x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
3 + -1x + -3x = 7 + 3x + -3x

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

Combine like terms: 3x + -3x = 0
3 + -4x = 7 + 0
3 + -4x = 7

Add '-3' to each side of the equation.
3 + -3 + -4x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -4x = 7 + -3
-4x = 7 + -3

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

Divide each side by '-4'.
x = -1

Simplifying
x = -1

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