-5X+21=1

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Solution for -5X+21=1 equation: 


Simplifying
-5X + 21 = 1

Reorder the terms:
21 + -5X = 1

Solving
21 + -5X = 1

Solving for variable 'X'.

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

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

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

Combine like terms: 1 + -21 = -20
-5X = -20

Divide each side by '-5'.
X = 4

Simplifying
X = 4

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