2.1+X=20X+X

Solution for 2.1+X=20X+X equation:

Simplifying
2.1 + X = 20X + X

Combine like terms: 20X + X = 21X
2.1 + X = 21X

Solving
2.1 + X = 21X

Solving for variable 'X'.

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

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

Combine like terms: X + -21X = -20X
2.1 + -20X = 21X + -21X

Combine like terms: 21X + -21X = 0
2.1 + -20X = 0

Add '-2.1' to each side of the equation.
2.1 + -2.1 + -20X = 0 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + -20X = 0 + -2.1
-20X = 0 + -2.1

Combine like terms: 0 + -2.1 = -2.1
-20X = -2.1

Divide each side by '-20'.
X = 0.105

Simplifying
X = 0.105