10X-5=9X+21

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Solution for 10X-5=9X+21 equation:


Simplifying
10X + -5 = 9X + 21

Reorder the terms:
-5 + 10X = 9X + 21

Reorder the terms:
-5 + 10X = 21 + 9X

Solving
-5 + 10X = 21 + 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.
-5 + 10X + -9X = 21 + 9X + -9X

Combine like terms: 10X + -9X = 1X
-5 + 1X = 21 + 9X + -9X

Combine like terms: 9X + -9X = 0
-5 + 1X = 21 + 0
-5 + 1X = 21

Add '5' to each side of the equation.
-5 + 5 + 1X = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 1X = 21 + 5
1X = 21 + 5

Combine like terms: 21 + 5 = 26
1X = 26

Divide each side by '1'.
X = 26

Simplifying
X = 26

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