3x-5=-x+7

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Solution for 3x-5=-x+7 equation:


Simplifying
3x + -5 = -1x + 7

Reorder the terms:
-5 + 3x = -1x + 7

Reorder the terms:
-5 + 3x = 7 + -1x

Solving
-5 + 3x = 7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-5 + 3x + x = 7 + -1x + x

Combine like terms: 3x + x = 4x
-5 + 4x = 7 + -1x + x

Combine like terms: -1x + x = 0
-5 + 4x = 7 + 0
-5 + 4x = 7

Add '5' to each side of the equation.
-5 + 5 + 4x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 7 + 5
4x = 7 + 5

Combine like terms: 7 + 5 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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