10X-20=9X-5

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Solution for 10X-20=9X-5 equation:


Simplifying
10X + -20 = 9X + -5

Reorder the terms:
-20 + 10X = 9X + -5

Reorder the terms:
-20 + 10X = -5 + 9X

Solving
-20 + 10X = -5 + 9X

Solving for variable 'X'.

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

Add '-9X' to each side of the equation.
-20 + 10X + -9X = -5 + 9X + -9X

Combine like terms: 10X + -9X = 1X
-20 + 1X = -5 + 9X + -9X

Combine like terms: 9X + -9X = 0
-20 + 1X = -5 + 0
-20 + 1X = -5

Add '20' to each side of the equation.
-20 + 20 + 1X = -5 + 20

Combine like terms: -20 + 20 = 0
0 + 1X = -5 + 20
1X = -5 + 20

Combine like terms: -5 + 20 = 15
1X = 15

Divide each side by '1'.
X = 15

Simplifying
X = 15

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