Answer:
I am not sure how your teacher wanted you to estimate the answer but I solved it for you. Hopefully this helps.
Step-by-step explanation:
7x-y=7
x+2y=6
14x-2y=14
x+2y=6
add both equations
15x=20
x=20/15
x=4/3
x+2y=6
4/3+2y=6
2y=6-4/3
2y=18/3 -4/3
2y=14/3
divide both sides by 2
y= 14/3 divided by 2
y=14/3(1/2)
y=14/6
2y=
Just keep adding 5 to the number
bAnswer: the answers is most likely a because of the nomination
Step-by-step explanation:
Answer:
24/10
Step-by-step explanation:
=24/10
= 12/5
In mathematics , a rational number is a number that can be expressed as the quotient or fraction of two integers, a numerator and a non zero denominator.
2. get the best price for a good