7X-15=5X+27

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Solution for 7X-15=5X+27 equation:


Simplifying
7X + -15 = 5X + 27

Reorder the terms:
-15 + 7X = 5X + 27

Reorder the terms:
-15 + 7X = 27 + 5X

Solving
-15 + 7X = 27 + 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
-15 + 7X + -5X = 27 + 5X + -5X

Combine like terms: 7X + -5X = 2X
-15 + 2X = 27 + 5X + -5X

Combine like terms: 5X + -5X = 0
-15 + 2X = 27 + 0
-15 + 2X = 27

Add '15' to each side of the equation.
-15 + 15 + 2X = 27 + 15

Combine like terms: -15 + 15 = 0
0 + 2X = 27 + 15
2X = 27 + 15

Combine like terms: 27 + 15 = 42
2X = 42

Divide each side by '2'.
X = 21

Simplifying
X = 21

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