Answer: Is 3 Students.
Step-by-step explanation: 30+40=70 220/70=3.
So 3 students are in the group.
Answer:3
Step-by-step explanation:
1/2x + 1 = 2/3x
1/2x - 2/3x = -1
-x/6 = -1
x = 6
Hope this helps!
Solution would be: a value or values that make a mathematical sentence true.
Answer:
(-1,2)
Step-by-step explanation:
2(3x+5)+3x=1
6x+10+3x=1
9x+10=1
9x=-9
x=-1
y=3(-1)+5
y=-3+5
y=-2