Question

Megan will multiply the first equation by 3 then add the result to the second equation.

What will be the resulting system of equations that produces the same solutions?

Answer 1

The resulting equation will be x + y = 4 and 4y =20

System of equation

GIven the system of equation given as:

x + y = 4

-3x + y = 8

If Megan multiplies the first equation by 3 then add the result to the second equation, the resulting equation will be:

3x  + 3y = 12

-3x + y = 8

Adding both equation

3y + y = 12 + 8

4y = 20

Hence the resulting equation will be x + y = 4 and 4y =20

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