what is the value of y in the system of equations shown below?

7x − 7y = 49
3x − 16y = 34

select one:
a. -2
b. -1
c. 0
d. 1

answer:

a

step-by-step explanation:

you divide the cost ($15) by the quantity (6) to get your questions answer. the yo-yo costs $2.50. hope this : )!

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb