Answer:
10.5
Step-by-step explanation:
because 10.5x2=21. and 45+13+21=79, 100-79= 21.
1/4x+4is greater than or equal to 3
1/4x=>-4+3
1/4x=>-1
(4)1/4x=>-1(4)
X=> -4
Answer:
x=8
Step-by-step explanation:
2*3x=6x
2*-7=-14
6x-14=34
6x+14=34+14
6x=48
6x/48
x=8
Answer:
29.4
Step-by-step explanation:
1,7
2,10
3,5
4,7
5,7 and for the second question the answer is 5 students
