3*(7x-2)=20

Solution for 3*(7x-2)=20 equation:

Simplifying
3(7x + -2) = 20

Reorder the terms:
3(-2 + 7x) = 20
(-2 * 3 + 7x * 3) = 20
(-6 + 21x) = 20

Solving
-6 + 21x = 20

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 + 21x = 20 + 6

Combine like terms: -6 + 6 = 0
0 + 21x = 20 + 6
21x = 20 + 6

Combine like terms: 20 + 6 = 26
21x = 26

Divide each side by '21'.
x = 1.238095238

Simplifying
x = 1.238095238