3x-3+x=13

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Solution for 3x-3+x=13 equation: 


Simplifying
3x + -3 + x = 13

Reorder the terms:
-3 + 3x + x = 13

Combine like terms: 3x + x = 4x
-3 + 4x = 13

Solving
-3 + 4x = 13

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 4x = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 13 + 3
4x = 13 + 3

Combine like terms: 13 + 3 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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