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Let’s check out your problem:
Solve for
y
y
y
.
\newline
(
−
8
−
5
y
)
=
−
y
\sqrt{(-8 - 5y)} = \sqrt{-y}
(
−
8
−
5
y
)
=
−
y
\newline
y
=
y =
y
=
_____
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Math Problems
Precalculus
Solve radical equations
Full solution
Q.
Solve for
y
y
y
.
\newline
(
−
8
−
5
y
)
=
−
y
\sqrt{(-8 - 5y)} = \sqrt{-y}
(
−
8
−
5
y
)
=
−
y
\newline
y
=
y =
y
=
_____
Square both sides:
Square both sides of the equation to eliminate the square roots.
\newline
(
−
8
−
5
y
)
2
=
(
−
y
)
2
(\sqrt{-8 - 5y})^2 = (\sqrt{-y})^2
(
−
8
−
5
y
)
2
=
(
−
y
)
2
\newline
−
8
−
5
y
=
−
y
-8 - 5y = -y
−
8
−
5
y
=
−
y
Move terms with
y
y
y
:
Move all terms containing
y
y
y
to one side of the equation to isolate the variable.
\newline
−
8
=
−
y
+
5
y
-8 = -y + 5y
−
8
=
−
y
+
5
y
\newline
−
8
=
4
y
-8 = 4y
−
8
=
4
y
Divide by
4
4
4
:
Divide both sides by
4
4
4
to solve for
y
y
y
.
−
8
4
=
4
y
4
\frac{-8}{4} = \frac{4y}{4}
4
−
8
=
4
4
y
y
=
−
2
y = -2
y
=
−
2
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Solve the following equation for
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Solve the following equation for
x
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\newline
1
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1
1
1
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2
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2
2
×
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Order the expressions from least to greatest.
\newline
2
3
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2
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lim
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lim
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