7X+9-3X=13

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Solution for 7X+9-3X=13 equation: 


Simplifying
7X + 9 + -3X = 13

Reorder the terms:
9 + 7X + -3X = 13

Combine like terms: 7X + -3X = 4X
9 + 4X = 13

Solving
9 + 4X = 13

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + -9 + 4X = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 4X = 13 + -9
4X = 13 + -9

Combine like terms: 13 + -9 = 4
4X = 4

Divide each side by '4'.
X = 1

Simplifying
X = 1

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