x = 4 = -2
tim so nguyen x, biet rang tong cua ba so : 3, -2 va x bang 5
tim so nguyen x, biet rang tong cua ba so : 3, -2 va x bang 5
3 + ( -2 ) x = 5
1 + x = 5
x = 5 -1
x = 4
tim so nguyen x, biet rang tong cua ba so : 3, -2 va x bang 5
Theo bài ra ta có:
3+(-2)+x=5
1 + x =5
x =5-1=4
Vậy số nguyên x cần tìm là 4.
tim so nguyen x,biet rang tong cua ba so :3,-2,va x bang 5.
Tim so nguyen x,biet rang tong cua ba so :3,-2 va x bang 5
a. x + 4 = -2
b. x + 8 = ( -5 ) + 4
c. tim so nguyen x, biet rang tong cua ba so : 3, -2 va x bang 5
a. x+4=-2
x =(-2)-4
x =-6
b. x+8=(-5)+4
x+8=-1
x =(-1)-8
x =-9
c. Theo đề ta có :
3+(-2)+x=5
1+x =5
x =5-1
x =4
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