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\[|3x|=x+8\]
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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|3x|=x+8
|3x|=x+8
|3x|=x+8
1
Break down the problem into these 2 equations.
3
x
=
x
+
8
3x=x+8
3
x
=
x
+
8
−
3
x
=
x
+
8
-3x=x+8
−
3
x
=
x
+
8
2
Solve the 1st equation:
3
x
=
x
+
8
3x=x+8
3
x
=
x
+
8
.
1
Subtract
x
x
x
from both sides.
3
x
−
x
=
8
3x-x=8
3
x
−
x
=
8
2
Simplify
3
x
−
x
3x-x
3
x
−
x
to
2
x
2x
2
x
.
2
x
=
8
2x=8
2
x
=
8
3
Divide both sides by
2
2
2
.
x
=
8
2
x=\frac{8}{2}
x
=
2
8
4
Simplify
8
2
\frac{8}{2}
2
8
to
4
4
4
.
x
=
4
x=4
x
=
4
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!
x
=
4
x=4
x
=
4
3
Solve the 2nd equation:
−
3
x
=
x
+
8
-3x=x+8
−
3
x
=
x
+
8
.
1
Subtract
x
x
x
from both sides.
−
3
x
−
x
=
8
-3x-x=8
−
3
x
−
x
=
8
2
Simplify
−
3
x
−
x
-3x-x
−
3
x
−
x
to
−
4
x
-4x
−
4
x
.
−
4
x
=
8
-4x=8
−
4
x
=
8
3
Divide both sides by
−
4
-4
−
4
.
x
=
−
8
4
x=-\frac{8}{4}
x
=
−
4
8
4
Simplify
8
4
\frac{8}{4}
4
8
to
2
2
2
.
x
=
−
2
x=-2
x
=
−
2
To get access to all 'How?' and 'Why?' steps, join
Cymath Plus
!
x
=
−
2
x=-2
x
=
−
2
4
Collect all solutions.
x
=
−
2
,
4
x=-2,4
x
=
−
2
,
4
Done
x=-2,4
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