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\[4x-9=7\]
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"(x+1)/2+4=7"
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4x-9=7
4x-9=7
4x-9=7
1
Add
9
9
9
to both sides.
4
x
=
7
+
9
4x=7+9
4
x
=
7
+
9
2
Simplify
7
+
9
7+9
7
+
9
to
16
16
1
6
.
4
x
=
16
4x=16
4
x
=
1
6
3
Divide both sides by
4
4
4
.
x
=
16
4
x=\frac{16}{4}
x
=
4
1
6
4
Simplify
16
4
\frac{16}{4}
4
1
6
to
4
4
4
.
x
=
4
x=4
x
=
4
Done
Check Answer ▼
x=4
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