21x+3(x-2)=0

Solution for 21x+3(x-2)=0 equation:

Simplifying
21x + 3(x + -2) = 0

Reorder the terms:
21x + 3(-2 + x) = 0
21x + (-2 * 3 + x * 3) = 0
21x + (-6 + 3x) = 0

Reorder the terms:
-6 + 21x + 3x = 0

Combine like terms: 21x + 3x = 24x
-6 + 24x = 0

Solving
-6 + 24x = 0

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 24x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 24x = 0 + 6
24x = 0 + 6

Combine like terms: 0 + 6 = 6
24x = 6

Divide each side by '24'.
x = 0.25

Simplifying
x = 0.25