Question

Using the elimination method solve each of the following pairs of simultaneous equation. 5c-2d=9 3c +2d=7. solve this sum as fast as possible . please tell me whole step by step properly ​

Answer 1

Answer:

See this.

Step-by-step explanation:

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Answer 2

Answer:

C= 2 D= ½

Step-by-step explanation:

By Elimination by Equating Coefficient:

5c-2d=9 ---(1)

3c +2d=7 ---(2)

Adding: 5c-2d=9

3c +2d=7

= 8c=16

C=2

Substituting the value of c in equation (2)

3*2+2d=7

6+2d=7

2d=7-6

2d=1

D= ½

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