Answer:
x
Step-by-step explanation:
factor out both equations and then cancel any of the common factors. You should be left with 4x/4, which simplified is x
Answer:
55.13
Step-by-step explanation:
10×5.25 = 52.50
52.50+2.63= 55.13
Answer:
18/20
Step-by-step explanation:
You just have to multiply by 2
(4,-1) turns into (1,4) because the equation for that is (x,y)->(y•-1,x)