Anyone help with math??
1 answer:
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First distribute
a(b+c)=ab+ac
y(x+z)=yx+yz
3z(x+y)=3zx+3zy
so now we have
yx+yz=3zx+3zy
make all x's on one side
subtract 3zy frm btohs ides
yx-3zx+yz=3zy
subtract yz frmo both sides
yx-3zx=3zy-yz
undistribute the x on the left side
x(y-3z)=2zy
divide both sides by (y-3z)
x=
a(b+c)=ab+ac
y(x+z)=yx+yz
3z(x+y)=3zx+3zy
so now we have
yx+yz=3zx+3zy
make all x's on one side
subtract 3zy frm btohs ides
yx-3zx+yz=3zy
subtract yz frmo both sides
yx-3zx=3zy-yz
undistribute the x on the left side
x(y-3z)=2zy
divide both sides by (y-3z)
x=
Answer: Option A and Option B.
Step-by-step explanation:
You need to remember the logarithms properties:
You can observe in Option A:
(This is true)
You can observe in Option B:
(This is true)
You can observe in Option C:
(This is not true)
You can observe in Option D:
(This is not true)