.30x+.10(120)=.15(144)

Solution for .30x+.10(120)=.15(144) equation:

Simplifying
0.30x + 0.10(120) = 0.15(144)

Multiply 0.10 * 120
0.30x + 12 = 0.15(144)

Reorder the terms:
12 + 0.30x = 0.15(144)

Multiply 0.15 * 144
12 + 0.30x = 21.6

Solving
12 + 0.30x = 21.6

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 0.30x = 21.6 + -12

Combine like terms: 12 + -12 = 0
0 + 0.30x = 21.6 + -12
0.30x = 21.6 + -12

Combine like terms: 21.6 + -12 = 9.6
0.30x = 9.6

Divide each side by '0.30'.
x = 32

Simplifying
x = 32