6(x 3.2)=48.6,5(x-3)=55 해 방정식

6(x 3.2)=48.6,5(x-3)=55 해 방정식

6(x 3.2)=48.6
x+3.2=48.6÷6
x+3.2=8.1
x=8.1-3.2
x=4.9
5(x-3)=55
x-3=55÷5
x-3=11
x=11+3
x=14