Q15 D of 38 Page 190

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





By cross multiplying we get


3(x+10)=2(x+21)


⇒ 3x+30=2x+42


⇒ 3x-2x=42-30


⇒ x=12


This is the required root of the given equation.


More from this chapter

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15 B

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


 15

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

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 15 E

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


 15 F

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