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Proper, Improper and Mixed Fractions
Fractional Arithmetic
Changing the Subject of an Expression
Multiplying Expressions
Factorising Quadratic Expressions
Solving Linear Equations
Ex. 0:
-18 x
+
-12
=
18 x
+
13
==> x
=
25
-36
Ex. 1:
0 x
+
7
=
-11 x
+
-17
==> x
=
-24
11
Ex. 2:
-14 x
+
-15
=
-1 x
+
19
==> x
=
34
-13
Ex. 3:
-11 x
+
-12
=
17 x
+
-7
==> x
=
5
-28
Ex. 4:
-14 x
+
-8
=
11 x
+
-9
==> x
=
-1
-25
Ex. 5:
-13 x
+
8
=
-17 x
+
-7
==> x
=
-15
4
Ex. 6:
4 x
+
-8
=
1 x
+
5
==> x
=
13
3
Ex. 7:
-3 x
+
-18
=
-7 x
+
-1
==> x
=
17
4
Ex. 8:
-10 x
+
-9
=
-8 x
+
9
==> x
=
9
-1
Ex. 9:
17 x
+
1
=
12 x
+
-16
==> x
=
-17
5