A number times 1 always equals itself, so: 4×1 = 4, OR 2×2 = 4
30 and 13
x-y=17 and x+y=43
x=17+y and x=43-y, so 17+y=43-y
so y=13
43-13=30, so x=30 and y=13
Answer:
first one
28.26 im not 100% correct i dont think
Answer:
8x+4
Step-by-step explanation:
4(2x+1)=8x+4
2 5/9. Because you first find how many times 9 goes into 23 and then subtract the sum of it from the denominator and keep the same denominator as your answer.
