Answer:
5% of 800 is 40.
Step-by-step explanation:
5 percent * 800 =
(5:100)* 800 =
(5* 800):100 =
4000:100 = 40
plz mark as brainliest
I got 21/4 hope this helps
Answer: give me brainliest
Step-by-step explanation:
ax+by=a-b
ax=a-b-by
x=a-b-by/a←
bx-ay=a+b
substituting
b(a-b-by/a)-ay=a+b
ab-b²-b²y/a-ay=a+b
ab-b²-b²y-a²y/a=a+b
ab-b²-(b²+a²)y=a²+ab
-(b²+a²)y=a²+ab-ab+b²
(b²+a²)y=-(a²+b²)
y=-(a²+b²)/a²+b²
y=-1←
substituting value of y
x=a-b-b(-1)/a
x=a-b+b/a
x=a/a
x=1
A. both the equations are identities , i’m pretty sure
