Math, asked by mfpatil77, 4 days ago

Solve 7x + 8y = 23, 3x + 7y = 22

Answers

Answered by poojithashankar2008

4

7x + 8y = 23

solve for x : 7x = 23 - 8y

7x / 7 = 23 - 8y / 7

x = 23 - 8y / 7

solve for y : 8y = 23 - 7x

8y / 8 = 23 - 7x / 8

y = 23 - 7x / 8

3x + 7y = 22

solve for x : 3x = 22 - 7y

3x / 3 = 22 - 7y / 3

x = 22 - 7y / 3

solve for y : 7y = 22 - 3x

7y / 7 = 22 - 3x / 7

y = 22 - 3x / 7

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