Question

Did I do anything wrong?
2x + y = 5
x − 2y = 10

y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10
5x = 20
x = 4

2(4) + y = 5
y = −3

Answer 1

you did it correctly, nice work

Answer 2

you may have skipped a few steps, but you definitely got all the steps and the final answer correct

Answer 3

thank you :)

Answer 4

you're welcome