5X-20=8+7

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Solution for 5X-20=8+7 equation: 


Simplifying
5X + -20 = 8 + 7

Reorder the terms:
-20 + 5X = 8 + 7

Combine like terms: 8 + 7 = 15
-20 + 5X = 15

Solving
-20 + 5X = 15

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + 20 + 5X = 15 + 20

Combine like terms: -20 + 20 = 0
0 + 5X = 15 + 20
5X = 15 + 20

Combine like terms: 15 + 20 = 35
5X = 35

Divide each side by '5'.
X = 7

Simplifying
X = 7

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