Question

-5a+c=-30 4a-5c=24 slove the equation​

Answer 1

Step-by-step explanation:

c=-30+5a--(1)

substitue..

4a-5(-30+5a)=24

=>4a+150-25a=24

=>-21a=-126

=>a=6

substitute in (1)

c=-30+30

c=0

hence proved

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Answer 2

Step-by-step explanation:

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