Answer:
-3x + 4y -5z
Step-by-step explanation:
-3x -(-4y) -5z
-3x+4y-5z
Answer:
beleive the anser is 12 try that
Step-by-step explanation:
Answer:
2x + 4
Step-by-step explanation:
Let R = Ralph's age
and x = Sarah's age
Then Ralph's age in 4 years = R + 4
and Sarah's age in four years = x + 4
Thus, R + 4 = 2(x + 4)
Distribute the 2 R + 4 = 2x + 8
Subtract 4 from each side R = 2x + 4
Ralph's age is 2x + 4.
Answer:
10, 11, 12, 9.5, 10.5, 11.5, 12.5