OpenStudy (anonymous):

I don't understand this one. the sum of four times a number plus three times another number. I don't know what the sum means.

7 years ago
OpenStudy (anonymous):

4x + 3x

7 years ago
OpenStudy (anonymous):

sum means addition. so 4 times one number + 3 times another number =4x+3y (you cannot pick x to label both numbers since you dont know that the two numbers are the same)

7 years ago
OpenStudy (anonymous):

I didn't see the = sign on the list of symbols, ty

7 years ago