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\[3x-1=7\]
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"(x+1)/2+4=7"
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3x-1=7
3x-1=7
3x-1=7
1
Add
1
1
1
to both sides.
3
x
=
7
+
1
3x=7+1
3
x
=
7
+
1
2
Simplify
7
+
1
7+1
7
+
1
to
8
8
8
.
3
x
=
8
3x=8
3
x
=
8
3
Divide both sides by
3
3
3
.
x
=
8
3
x=\frac{8}{3}
x
=
3
8
Done
Decimal Form: 2.666667
Check Answer ▼
x=8/3
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