The order of operations is:
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
So division comes first:


Now subtraction:
Answer:
Its y=1/2x +2(the second one)
Step-by-step explanation:
Answer:
incomplete question
Step-by-step explanation:
No information, diagram or data.
You can cross multiply to get 4 * 21 = 7x
84 = 7x; divide both sides by 7
12 = x so the number 12 will go in the blank (12 girls)
Answer:
40 Rs 2 coins equal to Rs 80.and this amounts 140— 80= Rs60.if i exchange one Rs 2 by one Rs 5 balance amount decreases by Rs3.For exhausting Rs 60 i shall have to exchange 60/3=20 Rs 2 coins.Thus 20 Rs 5 coin shallb there.ans.
Step-by-step explanation:
answer not mine but hopefully it helps