Matched Exercise 1 Simplify the expression
2(a  8b)  (5  b) + b + (6b  9)  a
Solution to Exercise 1
a  8b 14
Matched Exercise 2: Solve the equation
2(x  5)  (6 + x) = 3(2x + 4) + 12
Solution to Exercise 2
x = 4/3
Matched Exercise 3: If x
> 3, simplify the expression
2 x  3  + 6x  (2  3x) +  9  20 
Solution to Exercise 3
11x + 3
Matched Exercise 4: Find
the slope and the yintercept of the line given by the equation
3y  6x = 7
Solution to Exercise 4
slope = 2
y intercept at (0 , 7/3)
Matched Exercise 5: Find
the equation of the line passing through the points (0 , 3) and (1 ,
1).
Solution to Exercise 5
y = 2x + 3
