21X-1=10X-5

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Solution for 21X-1=10X-5 equation:


Simplifying
21X + -1 = 10X + -5

Reorder the terms:
-1 + 21X = 10X + -5

Reorder the terms:
-1 + 21X = -5 + 10X

Solving
-1 + 21X = -5 + 10X

Solving for variable 'X'.

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

Add '-10X' to each side of the equation.
-1 + 21X + -10X = -5 + 10X + -10X

Combine like terms: 21X + -10X = 11X
-1 + 11X = -5 + 10X + -10X

Combine like terms: 10X + -10X = 0
-1 + 11X = -5 + 0
-1 + 11X = -5

Add '1' to each side of the equation.
-1 + 1 + 11X = -5 + 1

Combine like terms: -1 + 1 = 0
0 + 11X = -5 + 1
11X = -5 + 1

Combine like terms: -5 + 1 = -4
11X = -4

Divide each side by '11'.
X = -0.3636363636

Simplifying
X = -0.3636363636

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