219-7(x+1)=100
7(x+1)=219-100
7(x+1)=119
x+1 =119:7
x+1 = 17
x=17-1
x= 16
7(x+1) = 219-100
7(x+1) = 119
(x+1) = 119:7
(x+1) = 17
x= 17-1
x= 16
vậy x= 16
:(
Các câu hỏi tương tự
219 - 7 x ( X - 1) = 100
219-7(x+1)=100
219 - 7 (x+1) = 100
219-7(x+1)=100
219 -7 (x+1)=100
219 - 7 (x + 1 ) =100
219-7*(x+1)=100
219 - 7 . ( x + 1 ) = 100
x = ?
tim x ; 219 - 7 ( x + 1 ) = 100