Question

Solve : 3a+5b =-9 ; 2a+5b = -11.​

Answer 1

3a + 5b = -9

2a + 5b = -11

from both equations

if we subtract then

a = 2

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3a + 5b = -9

3(2) + 5b = -9

6 + 5b = -9

5b = -9 - 6

5b = -15

b = -15 / 5

b = -3

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i hope it helps you

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