Question 54464
2.4x - 1.2x = 4.8 [Multiply 10 in order to get rid of the decimals]
10(2.4x - 1.2x = 4.80
24x-12x=48 [Combine like-terms]
12x=48 [Solve for x]
x=48/12
x=4
.
check by plugging (x=4) back into the original equation.