0.4(x-3)=3.5

Solution for 0.4(x-3)=3.5 equation:

Simplifying
0.4(x + -3) = 3.5

Reorder the terms:
0.4(-3 + x) = 3.5
(-3 * 0.4 + x * 0.4) = 3.5
(-1.2 + 0.4x) = 3.5

Solving
-1.2 + 0.4x = 3.5

Solving for variable 'x'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.4x = 3.5 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.4x = 3.5 + 1.2
0.4x = 3.5 + 1.2

Combine like terms: 3.5 + 1.2 = 4.7
0.4x = 4.7

Divide each side by '0.4'.
x = 11.75

Simplifying
x = 11.75