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\[x-9=7\]
+
−
.
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>
<
×
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≥
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x-9=7
x-9=7
x-9=7
1
Add
9
9
9
to both sides.
x
=
7
+
9
x=7+9
x
=
7
+
9
2
Simplify
7
+
9
7+9
7
+
9
to
16
16
1
6
.
x
=
16
x=16
x
=
1
6
Done
Check Answer ▼
x=16
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