A) \(y=5X-\frac{18.2}{18}=135X-2=13x=3\)
B)\(y=\frac{5x-36}{18}=13\frac{5x}{18}-2=13\frac{5x}{18}=15\frac{x}{18}=3x=54\)
a, 5x-36:18=13
5x-2=13
x=5-2
x=3
b,(5x-36):18=13
5x-36=13x18
5x-36=234
5x=234+36
5x=270
x=270:5
x=54
cho mình nhé:):):):):):):)@@@@@@@#######