Question

4c +3d=4
2c-5d=15
Is solved how​

Answer 1

Answer:

c=5 and d=-1

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Answer 2

Answer:

d=-2

c=5/2

Step-by-step explanation:

by elimination method we can do it

4c+3d=4

2c-5d=15                   ]*2

4c+3d=4

4c-10d=30

     13d=-26

         d=-2

put value of d in any equation

4c+3(-2)=4

4c=4+6

4c=10

c=5/2