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7
x
−
1
=
1
7x-1=1
7
x
−
1
=
1
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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"(x+1)/2+4=7"
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7x-1=1
7x-1=1
7x-1=1
1
Add
1
1
1
to both sides.
7
x
=
1
+
1
7x=1+1
7
x
=
1
+
1
2
Simplify
1
+
1
1+1
1
+
1
to
2
2
2
.
7
x
=
2
7x=2
7
x
=
2
3
Divide both sides by
7
7
7
.
x
=
2
7
x=\frac{2}{7}
x
=
7
2
Done
Decimal Form: 0.285714
Check Answer ▼
x=2/7
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