Q15 H of 38 Page 190

Let’s find the roots of the equations (i.e. let’s solve the equations).

By cross multiplying we get

4(9-x)=15(x-9)

⇒ 36-4x=15x-135

⇒ 135+36=15x+4x

⇒ 19x=171

This is the required root of the given equation.

15 F

Let’s find the roots of the equations (i.e. let’s solve the equations).

15 G

Let’s find the roots of the equations (i.e. let’s solve the equations).

15 I

Let’s find the roots of the equations (i.e. let’s solve the equations).

15 J

Let’s find the roots of the equations (i.e. let’s solve the equations).

25 + 3(4x - 5) + 8(x + 2) = x + 3