Add the like terms.
The like terms in this case are:
-4x^2 and -2x^2
This makes -6x^2
-3y and 5y
This makes 2y
-8 and 1
This makes -7
Your answer is (-6x^2+2y-7)
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
The answer is 8 hoped that help always fell free to comment me if you have any more questions and always good luck
Answer: x = 8/5
Explanation:
5x-2 = 6
5x = 6 + 2
5x = 8
x = 8/5