(0.2x-3.2)/5=1.8
First, apply the distributive property to solve the parenthesis:
(0.2x/5)- (3.2/5)=1.8
0.04x-0.64 =1.8
Then add 0.64 to both sides of the equation:
0.04x-0.64+0.64 = 1.8+0.64
0.04x= 2.44
Divide both sides by 0.04
0.04x/0.04= 2.44/0.04
x= 61