Question

Solve 3x+2y=11 and 2x+3y=4 in formula method

Answer 1

Step-by-step explanation:

$3x + 2y = 11 - - \times 2 \\ 2x + 3y = 4 - - \times 3 \\ 6x + 4y = 22 \\ 6x + 9y = 12 \\ - \: \: \: \: - \: \: \: \: \: - \\ 4y - 9y = 10 \\ - 5y = 10 \\ y = - \frac{10}{5} = - 2 \\ \\ 3x + 2 \times ( - 2) = 11 \\ 3x - 4 = 11 \\ 3x = 11 + 4 \\ x = \frac{15}{3} = 5 \\ hence \: \: \: x = 5 \\ y = - 2$

Answer 2

Step-by-step explanation:

3x+2y = 11 --------(1)

2x+3y = 4----------(2)

equation 1 ko 2 se or equation 2 ko 3 se multiple karne par

6x+4y=22

6x+9y=12

--------------- subtract karne par

-5y=10

y= - 2

x= 5

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