Math, asked by hbl, 1 year ago

solve : 3a+5b=9; 2a+5b = -11 substraction equation

Answers

Answered by deepika1613

4

20 is the answer and b=-51/5.Please mark it as BRAINLIEST

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Answered by harshitagarwal624

3

3a + 5b = 9............1

2a + 5b = -11.........2

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a = 20

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subs a in eqn 1

3(20) + 5b = 9

5b = 9 - 60

5b = -51

b = - 51/5

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