Question

3a-2b=12, 4a-5b=16
find a and b​

Answer 1

Step-by-step explanation:

here is ur answer mate...

Answer 2

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$\implies$ 3a - 2b = 12 _ × 5 ------(1)

$\implies$4a - 5b = 16 ___× 2 ----(2)

Subttact both , We get ,

$\implies$15a - 10b = 60

$\implies$8a - 10b = 32

We get ,

$\implies$ 7a = 28

$\implies$ $\boxed{a = 4 }$

Put in $\tt{eq^n}$ 1 ,

$\implies$12 - 2b = 12

$\implies$-2b = 0

Thus , $\implies$ $\boxed{ b = 0}$

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