Simplify
5
+
4
x
−
2
x
5+4x−2x to
5
+
2
x
5+2x.
5
+
2
x
=
8
x
+
11
+
12
5+2x=8x+11+12
2 Simplify
8
x
+
11
+
12
8x+11+12 to
8
x
+
23
8x+23.
5
+
2
x
=
8
x
+
23
5+2x=8x+23
3 Subtract
5
5 from both sides.
2
x
=
8
x
+
23
−
5
2x=8x+23−5
4 Simplify
8
x
+
23
−
5
8x+23−5 to
8
x
+
18
8x+18.
2
x
=
8
x
+
18
2x=8x+18
5 Subtract
8
x
8x from both sides.
2
x
−
8
x
=
18
2x−8x=18
6 Simplify
2
x
−
8
x
2x−8x to
−
6
x
−6x.
−
6
x
=
18
−6x=18
7 Divide both sides by
−
6
−6.
x
=
−
18
6
x=−
6
18
8 Simplify
18
6
6
18
to
3
3.
x
=
−
3
x=−3
