6+1.5(4x-2)=21

Solution for 6+1.5(4x-2)=21 equation:

Simplifying
6 + 1.5(4x + -2) = 21

Reorder the terms:
6 + 1.5(-2 + 4x) = 21
6 + (-2 * 1.5 + 4x * 1.5) = 21
6 + (-3 + 6x) = 21

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

Solving
3 + 6x = 21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 6x = 21 + -3

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

Combine like terms: 21 + -3 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3