Simplify
−
7
x
−
3
x
+
2
−7x−3x+2 to
−
10
x
+
2
−10x+2.
−
10
x
+
2
=
−
8
x
−
8
−10x+2=−8x−8
2 Add
10
x
10x to both sides.
2
=
−
8
x
−
8
+
10
x
2=−8x−8+10x
3 Simplify
−
8
x
−
8
+
10
x
−8x−8+10x to
2
x
−
8
2x−8.
2
=
2
x
−
8
2=2x−8
4 Add
8
8 to both sides.
2
+
8
=
2
x
2+8=2x
5 Simplify
2
+
8
2+8 to
10
10.
10
=
2
x
10=2x
6 Divide both sides by
2
2.
10
2
=
x
2
10
=x
7 Simplify
10
2
2
10
to
5
5.
5
=
x
5=x
8 Switch sides.
x
=
5
x=5
Done
