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Let’s check out your problem:
Solve the inequality for
x
x
x
.
\newline
−
21
≥
4
x
−
1
-21 \geq 4 x-1
−
21
≥
4
x
−
1
\newline
Simplify your answer as much as possible.
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Math Problems
Precalculus
Complex conjugate theorem
Full solution
Q.
Solve the inequality for
x
x
x
.
\newline
−
21
≥
4
x
−
1
-21 \geq 4 x-1
−
21
≥
4
x
−
1
\newline
Simplify your answer as much as possible.
Add
1
1
1
to isolate x:
Add
1
1
1
to both sides to isolate the term with x.
\newline
−
21
+
1
≥
4
x
−
1
+
1
-21 + 1 \geq 4x - 1 + 1
−
21
+
1
≥
4
x
−
1
+
1
\newline
−
20
≥
4
x
-20 \geq 4x
−
20
≥
4
x
Divide by
4
4
4
:
Divide both sides by
4
4
4
to solve for
x
x
x
.
−
20
/
4
≥
4
x
/
4
-20 / 4 \geq 4x / 4
−
20/4
≥
4
x
/4
−
5
≥
x
-5 \geq x
−
5
≥
x
Rewrite conventional form:
Rewrite the inequality in a more conventional form.
x
≤
−
5
x \leq -5
x
≤
−
5
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\newline
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\text{[[even][odd][neither]]}
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\newline
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\newline
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