4X-8=5X-15

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Solution for 4X-8=5X-15 equation:


Simplifying
4X + -8 = 5X + -15

Reorder the terms:
-8 + 4X = 5X + -15

Reorder the terms:
-8 + 4X = -15 + 5X

Solving
-8 + 4X = -15 + 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.
-8 + 4X + -5X = -15 + 5X + -5X

Combine like terms: 4X + -5X = -1X
-8 + -1X = -15 + 5X + -5X

Combine like terms: 5X + -5X = 0
-8 + -1X = -15 + 0
-8 + -1X = -15

Add '8' to each side of the equation.
-8 + 8 + -1X = -15 + 8

Combine like terms: -8 + 8 = 0
0 + -1X = -15 + 8
-1X = -15 + 8

Combine like terms: -15 + 8 = -7
-1X = -7

Divide each side by '-1'.
X = 7

Simplifying
X = 7

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