Question

x+7y=10; 3x-2y=7 simultaneous equations​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

x = 3

y = 1

Step-by-step explanation:

x+7y = 10 ---------(1)

3x-2y = 7 ---------(2)

Now to solve this, we have to make the coefficient of either x or y same in both the equations.

We will multiply the first equation by 3 so that the coefficient of x is 3 in both the equations.

We get, 3x+21y = 30 ———(3)

Now we will subtract equation (2) from equation (3).

3x+21y -(3x-2y) = 30-7

23y = 23

y = 1

Substitute this value in equation (1),

x+7(1) = 10

x = 3

Hence the value of x = 3 and the value of y = 1.

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