Answer:
25-7
Step-by-step explanation:
"Substitute for": Replace x with ____
Since it is given that x = 25 -y, we can replace the x in 5x + y = 10 with 25 - y by the substitution property of equality.
Answer:
{121,144,169} X intersecting Y means common number between x and y set
Answer:
2, or any negative number
Step-by-step explanation:
Answer:
you have to make x-3 and x-7 equal to zero...
x = 3 or x=7
"A"
Step-by-step explanation: