ParasPatil
Answered

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plz help, explain me the method
Topic: Simultaneous equations
Class 9 ICSE​

Plz Help Explain Me The MethodTopic Simultaneous EquationsClass 9 ICSE class=

Sagot :

MrPerfectz

Answer:

heyy matee...

going according to given parameters

let 2 numbers be x and y

so atq =>

3x + y = 142 => y = 142 - 3x

and 4x - y = 148

4x - ( 142 - 3x ) = 138

4x - 142 + 3x = 138

7x = 280

x = 40

now y = 142 - 3(40) = 142 - 120 = 22

so x = 40 and y = 22

rMelon

Answer:

Hope so, it helped you.

Step-by-step explanation:

For solving the equation i elimanated y by adding both the equation.

View image rMelon
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