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7
x
−
4
=
4
7x-4=4
7
x
−
4
=
4
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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"(x+1)/2+4=7"
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7x-4=4
7x-4=4
7x-4=4
1
Add
4
4
4
to both sides.
7
x
=
4
+
4
7x=4+4
7
x
=
4
+
4
2
Simplify
4
+
4
4+4
4
+
4
to
8
8
8
.
7
x
=
8
7x=8
7
x
=
8
3
Divide both sides by
7
7
7
.
x
=
8
7
x=\frac{8}{7}
x
=
7
8
Done
Decimal Form: 1.142857
Check Answer ▼
x=8/7
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