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Step-by-step explanation:
Enter a problem...
Precalculus Examples
Popular Problems Precalculus Solve for x |x+3|=|2x+1|
|
x
+
3
|
=
|
2
x
+
1
|
Rewrite the absolute value equation as four equations without absolute value bars.
x
+
3
=
2
x
+
1
x
+
3
=
−
(
2
x
+
1
)
−
(
x
+
3
)
=
2
x
+
1
−
(
x
+
3
)
=
−
(
2
x
+
1
)
After simplifying, there are only two unique equations to be solved.
x
+
3
=
2
x
+
1
x
+
3
=
−
(
2
x
+
1
)
Solve
x
+
3
=
2
x
+
1
for
x
.
x
=
2
Solve
x
+
3
=
−
(
2
x
+
1
)
for
x
.
x
=
−
4
3
List all of the solutions.
x
=
2
,
−
4
3
The result can be shown in multiple forms.
Exact Form:
x
=
2
,
−
4
3
Decimal Form:
x
=
2
,
−
1.
¯
3
Mixed Number Form:
x
=
2
,
−
1
1
3
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