Answer:
y is x because if x+y is 2x then y must equal x
Answer:
arithmetic
Step-by-step explanation:
an arithmetic sequence is when you add or minus the same number
Answer:
117
Step-by-step explanation:
90×.30 or 30%=27
27+90=117
9514 1404 393
Answer:
5 + (-2)
Step-by-step explanation:
starting with: 5 - 2
step 1: 5 + ( )
step 2: 5 + (-2)