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7
x
−
1
=
4
7x-1=4
7
x
−
1
=
4
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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"(x+1)/2+4=7"
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7x-1=4
7x-1=4
7x-1=4
1
Add
1
1
1
to both sides.
7
x
=
4
+
1
7x=4+1
7
x
=
4
+
1
2
Simplify
4
+
1
4+1
4
+
1
to
5
5
5
.
7
x
=
5
7x=5
7
x
=
5
3
Divide both sides by
7
7
7
.
x
=
5
7
x=\frac{5}{7}
x
=
7
5
Done
Decimal Form: 0.714286
Check Answer ▼
x=5/7
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