Question

Solve the following simultaneous linear equations:

3x - 4y = 10

4x + 3y = 5​

Answer 1

Answer:

x= 2 y=-1

Step-by-step explanation:

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Answer 2

Heya, here is your answer....

Given,

Equation 1 = 3x-4y = 10.

Equation 2 = 4x+3y = 5.

Let, the equation 1 be multiplied by 3., and the equation 2 be multiplied by 4....

Then, we get,....

Equation 1 = 9x-12y = 30.

Equation 2 = 16x+12y = 20.

Add the equations 1 and 2.....

We get, 25x = 50.

Therefore, we get x = 2..

Now substitute the value of 'x' in equation 1...

We get, 3(2) - 4y =10.

=> 6-4y = 10.

=> 6-10 = 4y

=> - 4 = 4y...

Therefore, y = - 1.

Hence, the answer is x = 2, y = - 1

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