Answer:
x=1 ( i think)
Step-by-step explanation:
Answer:
8x+5w+4
Step-by-step explanation:
Add similar numbers together
23 plus 7 is 30 and 30 plus 5 is 35
Let x1, x2, x3, x4, x5 be the scores for the five tests respectively and y be the average score of those tests.
y = (x1 + x2 + x3 + x4 + x5) / 5
since y = 85:
(x1 + x2 + x3 + x4 + x5) / 5 = 85