Question

B)3) Solve: 5(x + 2) + 7 (x - 1) = 39
4) The radius of a circle is
15cm. The distance of
centre O from M; the
O
midpoint of chord AB is
9 cm. Find the length of
A
chord AB​

Answer 1

Answer:

answer is 3

hope this helps you

Answer 2

Answer:

3)

5(x+2)+7(x-1)=39

5x+10+7x-7=39

12x+3=39

12x=39-3

12x=36

x=36/12

x=3