21x+1=22x-2

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Solution for 21x+1=22x-2 equation:


Simplifying
21x + 1 = 22x + -2

Reorder the terms:
1 + 21x = 22x + -2

Reorder the terms:
1 + 21x = -2 + 22x

Solving
1 + 21x = -2 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
1 + 21x + -22x = -2 + 22x + -22x

Combine like terms: 21x + -22x = -1x
1 + -1x = -2 + 22x + -22x

Combine like terms: 22x + -22x = 0
1 + -1x = -2 + 0
1 + -1x = -2

Add '-1' to each side of the equation.
1 + -1 + -1x = -2 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = -2 + -1
-1x = -2 + -1

Combine like terms: -2 + -1 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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