Okay well ill do the first on and explain it so hopefully you can do the rest
3 and 1/3 is equal to 10/3 because a whole number would be 3/3 and we have 3 whole numbers plus 1/3
3/3
3/3
3/3
1/3
add it up and you get 10/3
Answer: x = 4
Step-by-step explanation:
4x = 13 + 3
4x = 16
x = 16/4
x = 4
Answer:
100/25 = 4
so an equivalent would be 12/3
Answer:
x=-1, y=8
Step-by-step explanation:
The given system is
-x+y =7
6x+y=14
We make y the subject in the first equation to get:
y=x+7
We put y=x+7 into 6x+y=14 to obtain
6x+x=14-7
7x=7
x=1
We now put x=1 into y=x+7
The solution is x=1, y=8
Part B
We now verify
-1+8=7 ....True
6(1)+8=14....True