3X-8=28+9

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Solution for 3X-8=28+9 equation: 


Simplifying
3X + -8 = 28 + 9

Reorder the terms:
-8 + 3X = 28 + 9

Combine like terms: 28 + 9 = 37
-8 + 3X = 37

Solving
-8 + 3X = 37

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + 3X = 37 + 8

Combine like terms: -8 + 8 = 0
0 + 3X = 37 + 8
3X = 37 + 8

Combine like terms: 37 + 8 = 45
3X = 45

Divide each side by '3'.
X = 15

Simplifying
X = 15

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