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Bingel [31]
Answer:
what exactly is this question
Step-by-step explanation:
6/(x-8)=2/(x+6)
times both sides by (x-8)(x+6)
6(x+6)=2(x-8)
distribute
6x+36=2x-16
minus 2x both sides
4x+36=-16
miinus 36 both sides
4x=-52
divide both sides by 4
x=-13
Answer:
x+5y =30
this is random because it wont let me submit the answer unless I write 20 characters lol
Answer:
16^2 - y^2
Step-by-step explanation:
First you need to distribute the (4x - y) to the other numbers. So we'll distribute it one by one, to make it easier. So taking the 4x from (4x - y), you need to distribute it to (4x + y). So 4x × 4x is 16^2. That's the first part, now we need to distribute the 4x to the positive y, which is 4xy. Now we work on the negative y from (4x - y). Distribute the -y to (4x + y). So -y × 4x = -4xy, and -y × y = -y^2. So now you should have the numbers, 16x^2 + 4xy - 4xy - y^2. The positive 4xy and negative 4xy cancel out so that would just be 0, so you can take that out. Now you should have 16^2 - y^2, and that's the simplified expression.
Answer:
33
Step-by-step explanation:
(
5
−
√
x
)
2
=
5
2
−
(
2
×
5
×
√
x
)
+
x
=
25
−
10
√
x
+
x
=
(
x
+
25
)
−
10
√
x
In order to eliminate the irrational
−
20
√
2
term with
x
and
y
being integers, we must have:
−
10
√
x
=
−
20
√
2
Divide both sides by
−
10
to get:
√
x
=
2
√
2
So
x
=
(
2
√
2
)
2
=
8
y
=
x
+
25
=
8
+
25
=
33
