0.2(x-8)=4.2

Solution for 0.2(x-8)=4.2 equation:

Simplifying
0.2(x + -8) = 4.2

Reorder the terms:
0.2(-8 + x) = 4.2
(-8 * 0.2 + x * 0.2) = 4.2
(-1.6 + 0.2x) = 4.2

Solving
-1.6 + 0.2x = 4.2

Solving for variable 'x'.

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

Add '1.6' to each side of the equation.
-1.6 + 1.6 + 0.2x = 4.2 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + 0.2x = 4.2 + 1.6
0.2x = 4.2 + 1.6

Combine like terms: 4.2 + 1.6 = 5.8
0.2x = 5.8

Divide each side by '0.2'.
x = 29

Simplifying
x = 29