3x-5+x=-7

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


Simplifying
3x + -5 + x = -7

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

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

Solving
-5 + 4x = -7

Solving for variable 'x'.

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

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 = -2
4x = -2

Divide each side by '4'.
x = -0.5

Simplifying
x = -0.5

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