2x
-
3
=
5
.
.
.
2x
=
____________________
.
.
.
.
x
=
____________________
(
2x
+
3
)
/
5
=
3
.
.
2x
+
3
=
____________________
.
.
2x
=
____________________
.
.
x
=
____________________
5
+
3x
=
8
.
.
.
.
3x
=
____________________
.
.
.
.
x
=
____________________
x²
/
2
-
1
=
7
.
.
x²
/
2
=
____________________
.
.
x²
=
____________________
.
.
x
=
____________________
2x
/
3
+
3
=
7
.
.
2x
/
3
=
____________________
.
.
2x
=
____________________
.
.
x
=
____________________
x
+
5
=
7
.
.
.
.
.
.
.
.
.
x
=
____________________
x
/
2
-
3
=
1
.
.
.
x
/
2
=
____________________
.
.
.
x
=
____________________
2x²
-
5
=
3
.
.
2x²
=
____________________
.
.
x²
=
____________________
.
.
x
=
____________________
3x
-
5
=
4
.
.
.
3x
=
____________________
.
.
.
.
.
x
=
3
