Answer:
y+9=21
Step-by-step explanation:
9 more than y equals 21.
Set 40 = 5x + 10
Subtract 10 on both sides, then divide 30 by 5
x = 6
Answer: 6.27 or 6.3
Step-by-step explanation: 4 1/5 ÷ 2/3 can be changed to a multiplication problem by using the reciprocal of the second fraction: 3/2
Multiply 4 1/5 by 3/2 = 6.3
Answer:
-4a +22b
Step-by-step explanation:
add the ones with same variable