For Q3, you can subsitute x = 2 and y = 5 into the systems
-5(2) + 5 = -5
so it's a solution for the first system
-4(2)+2(5) = 2
it's also a solution for the second system
Answer:
Step-by-step explanation:


The base is same power can be add or subtract


200, because 8% is 8 parts of 100%. Then 1 part of that 100% is 16/8=2. Then 100% is the number i.e; 200
Answer:
4 |x+7| divided by 3.
Step-by-step explanation:
This cannot be divided any further.