y = - 5
substitute the value of x = 4 into the equation and solve for y
- 12 + 9y = - 57 ( add 12 to both sides )
9y = - 45 ( divide both sides by 9 )
y = = - 5
The school cafeteria sells two kinds of wraps: vegetarian and chicken. The vegetarian wrap costs $1.00 and the chicken wrap cost
1 answer:
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Answer:
4xy See image.
Step-by-step explanation:
Remember for division questions to use Keep, Change, Flip. You will Keep the first term the same. Change the divide to times. And Flip the second term (turn it upside down, in math this is called the reciprocal)
Also, you need to know when you you get to the part where everything is times, then you times: top×top, and bottom×bottom.
Once everything is times, you can rearrange the order and cancel (cancel is not really the mathy thing happening, you are dividing---
x/x is 1 and y/y is 1,
10/5 is 2, 6/3 is 2) See image.
