Question

Please help me?

2x + y = 3
x - 2y = -1

If equation one is multiplied by 2 and then the equations are added, the result is _____.

3x = 2
3x = 5
5x = 5

Answer 1

2x + y = 3.....multiply by 2

x - 2y = -1

-----------------

4x + 2y = 6 (result of multiplying by 2)

x - 2y = -1

----------------so the answer is..........

C. 5x = 5

Answer 2

2x + y = 3
a: 5
x - 2y = -1
a: 2
If equation one is multiplied by 2 and then the equations are added, the result is _____.

3x = 2 this is the answer
3x = 5
5x = 5