1.

Simultanius linear eqution for 5x+7y=66 , 2x-3y=-20

Answer»

ANSWER:

x=54.5;y=8.

Step-by-step explanation:

5x+7y=66

5x=66-7y

x=66-7y/5

eqn.2. 2x-3y=-20

substituting VALUE of x in eqn.2 we get

2(66-7y/5)-3y=-20

by solving this we get value of y=8

so x=66-7×8/5

=66-56/5

=54.5=x

hope it helps you

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