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x
−
9
=
10
x-9=10
x
−
9
=
1
0
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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x-9=10
x-9=10
x-9=10
1
Add
9
9
9
to both sides.
x
=
10
+
9
x=10+9
x
=
1
0
+
9
2
Simplify
10
+
9
10+9
1
0
+
9
to
19
19
1
9
.
x
=
19
x=19
x
=
1
9
Done
Check Answer ▼
x=19
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