Answer:
3x + 4y = 16 The rule is you can do any valid operation on both sides of an equation and it will still be equal. Subtract 4y.
3x = -4y + 16 Divide by 3.
x = -4y/3 + 16/3 Answer B.
Answer:
4
Step-by-step explanation:
It goes through that one on the graph
Answer: 40%
Step-by-step explanation: 100 ÷ 5 = 20 so 20 × 2 = 40
Put -4 in place of x
-4 to the second power is 16 so it would be 16-(-12)= 28
Answer:
b
Step-by-step explanation:
