Question

How does writing equivalent equations help you solve a system of equations?

Answer 1

@helder_edwin

Answer 2

If you have

x+y = 10
2x+2y = 30

you can simplify the second equation to get

2x+2y=30
2(x+y)=30
x+y = 30/2
x+y = 15

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This would mean

x+y = 10
2x+2y = 30

becomes

x+y = 10
x+y = 15

Answer 3

So we can see that there are no solutions (since x+y adds up to two completely different numbers..which is impossible)

Answer 4

thank you :D

Answer 5

yw