21x+6-x-5=-20+1

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Solution for 21x+6-x-5=-20+1 equation:


Simplifying
21x + 6 + -1x + -5 = -20 + 1

Reorder the terms:
6 + -5 + 21x + -1x = -20 + 1

Combine like terms: 6 + -5 = 1
1 + 21x + -1x = -20 + 1

Combine like terms: 21x + -1x = 20x
1 + 20x = -20 + 1

Combine like terms: -20 + 1 = -19
1 + 20x = -19

Solving
1 + 20x = -19

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 20x = -19 + -1

Combine like terms: 1 + -1 = 0
0 + 20x = -19 + -1
20x = -19 + -1

Combine like terms: -19 + -1 = -20
20x = -20

Divide each side by '20'.
x = -1

Simplifying
x = -1

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