3X+15=8X+36

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Solution for 3X+15=8X+36 equation:


Simplifying
3X + 15 = 8X + 36

Reorder the terms:
15 + 3X = 8X + 36

Reorder the terms:
15 + 3X = 36 + 8X

Solving
15 + 3X = 36 + 8X

Solving for variable 'X'.

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

Add '-8X' to each side of the equation.
15 + 3X + -8X = 36 + 8X + -8X

Combine like terms: 3X + -8X = -5X
15 + -5X = 36 + 8X + -8X

Combine like terms: 8X + -8X = 0
15 + -5X = 36 + 0
15 + -5X = 36

Add '-15' to each side of the equation.
15 + -15 + -5X = 36 + -15

Combine like terms: 15 + -15 = 0
0 + -5X = 36 + -15
-5X = 36 + -15

Combine like terms: 36 + -15 = 21
-5X = 21

Divide each side by '-5'.
X = -4.2

Simplifying
X = -4.2

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