\(11\left(x-15\right)=132\\ \Rightarrow x-15=132:11\\ \Rightarrow x-15=12\\ \Rightarrow x=12+15\\ \Rightarrow x=27\)
b) 11.(x – 15) = 132
x - 15 = 132 : 11
x - 15 = 12
x = 12 + 15
x = 27
Vậy x = 27
11.(x – 15) = 132
x - 15 = 132 : 11
x - 15 = 12
x = 12 + 15
x = 27
x = 27