X+1=2X-20

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Solution for X+1=2X-20 equation:


Simplifying
X + 1 = 2X + -20

Reorder the terms:
1 + X = 2X + -20

Reorder the terms:
1 + X = -20 + 2X

Solving
1 + X = -20 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
1 + X + -2X = -20 + 2X + -2X

Combine like terms: X + -2X = -1X
1 + -1X = -20 + 2X + -2X

Combine like terms: 2X + -2X = 0
1 + -1X = -20 + 0
1 + -1X = -20

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

Combine like terms: 1 + -1 = 0
0 + -1X = -20 + -1
-1X = -20 + -1

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

Divide each side by '-1'.
X = 21

Simplifying
X = 21

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