0.06+0.03(100-x)=1.2

Solution for 0.06+0.03(100-x)=1.2 equation:

Simplifying
0.06 + 0.03(100 + -1x) = 1.2
0.06 + (100 * 0.03 + -1x * 0.03) = 1.2
0.06 + (3 + -0.03x) = 1.2

Combine like terms: 0.06 + 3 = 3.06
3.06 + -0.03x = 1.2

Solving
3.06 + -0.03x = 1.2

Solving for variable 'x'.

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

Add '-3.06' to each side of the equation.
3.06 + -3.06 + -0.03x = 1.2 + -3.06

Combine like terms: 3.06 + -3.06 = 0.00
0.00 + -0.03x = 1.2 + -3.06
-0.03x = 1.2 + -3.06

Combine like terms: 1.2 + -3.06 = -1.86
-0.03x = -1.86

Divide each side by '-0.03'.
x = 62

Simplifying
x = 62