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
=> x = 16
\(219-7\left(x+1\right)=100\)
\(7\left(x+1\right)=219-100\)
\(7\left(x+1\right)=119\)
\(x+1=119:7\)
\(x+1=17\)
\(x=17-1\)
\(x=6\)
Học Tốt !
bai 1 : tim so tu nhien x , biet :
a, 219 - 7(x+1) =100
b, (3x - 6 ) . 3 = 24
tim so tu nhiên x biet
a)219-7(x-1)=100. b)(3x-6).3=34
tim so tu nhien x biet
219-7(x+1)=100 (3x-6).3=3^4
tim x :
A)219-7.(x.1)=100
B)(3x-6).3=34
C)3.2x=48
D)5.x2=180
161.tim số tư nhiên x,biet
a)219-7(x+1)=100
b) (3x-6).3=3\(^4\)
tim x
219-7(x+1)=100 (3x-6).3=3^4
219 - 7 x ( X - 1) = 100
219 - 7 . ( x + 1 ) = 100
x = ?
tim x
câu 1 : 219 - 7 nhân x + 1 = 6 mu 2 + 8 mu 2
