Answer:
A or D its one of those
Step-by-step explanation:
36
add the total that signed up for chemistry with the total that signed up for english which would be 20+16=36
The answer should be C
it's a substitution because y was solved
2x +2(3x-7)=10
you just replace the "y' by the solved y
then you solve parenthesis and continue the rest.
