4X+7=9X-13

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Solution for 4X+7=9X-13 equation: 


Simplifying
4X + 7 = 9X + -13

Reorder the terms:
7 + 4X = 9X + -13

Reorder the terms:
7 + 4X = -13 + 9X

Solving
7 + 4X = -13 + 9X

Solving for variable 'X'.

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

Add '-9X' to each side of the equation.
7 + 4X + -9X = -13 + 9X + -9X

Combine like terms: 4X + -9X = -5X
7 + -5X = -13 + 9X + -9X

Combine like terms: 9X + -9X = 0
7 + -5X = -13 + 0
7 + -5X = -13

Add '-7' to each side of the equation.
7 + -7 + -5X = -13 + -7

Combine like terms: 7 + -7 = 0
0 + -5X = -13 + -7
-5X = -13 + -7

Combine like terms: -13 + -7 = -20
-5X = -20

Divide each side by '-5'.
X = 4

Simplifying
X = 4

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