Answer:
x=6
Step-by-step explanation:
22x-2=20x+10
22x-20x=10+2
2x=12
x=6
Answer:
A perfect score on a test
Step-by-step explanation:
Since the score gets subtracted for each wrong answer, if x=0 then then nothing would get taken away from the initial 80
Answer:
y = -3/5x + 2
Step-by-step explanation:
-1 = -3/5(5) + b
-1 = -3 + b
2 = b
y = -3/5x + 2