Question

3. Solve the following linear equations: (a) 4x + 5 = 9(2x -5) (b) 5(2 / 3) – z = 2(1 / 2)​

Answer 1

Answer:

a) 3.57

b) 2.3

Step-by-step explanation:

(a)

4x+5 = 18x - 45

45+5= 18x - 4x

50 = 14 x

x = 25/7

x = 3.57

(b)

10 - 3z = 3

z = 7/ 3

z = 2.3