Physics and Maths (STEM) Tutor - coaching for all - from GCSE through A-Level to Degree
Other tutor / coaching services: GCSE/A-level Computer Science
Proper, Improper and Mixed Fractions
Fractional Arithmetic
Changing the Subject of an Expression
Multiplying Expressions
Factorising Quadratic Expressions
Solving Linear Equations
Ex. 0:
-4 x
+
12
=
-13 x
+
10
==> x
=
-2
9
Ex. 1:
0 x
+
-15
=
-6 x
+
11
==> x
=
13
3
Ex. 2:
12 x
+
14
=
15 x
+
-4
==> x
=
-6
-1
Ex. 3:
-4 x
+
-10
=
14 x
+
4
==> x
=
7
-9
Ex. 4:
13 x
+
10
=
16 x
+
13
==> x
=
1
-1
Ex. 5:
-6 x
+
-4
=
19 x
+
17
==> x
=
21
-25
Ex. 6:
13 x
+
19
=
-6 x
+
5
==> x
=
-14
19
Ex. 7:
13 x
+
11
=
-7 x
+
-10
==> x
=
-21
20
Ex. 8:
4 x
+
0
=
-19 x
+
-16
==> x
=
-16
23
Ex. 9:
4 x
+
-6
=
14 x
+
-4
==> x
=
1
-5