y=-x+6
2x-(-x+6)=6
3x=12
x=4
4+y=6
y=2
Answer:
2 quarts of 100% antifreeze.
Step-by-step explanation:
5 quarts/ .40 * x/ 1
.40x= 5
x=2
(x, x2 − 3x − 28) for all real numbers