2x + y = 5
x − 2y = 10
y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10
<em>add 10 to each side</em>
<em>5x-10+10 = 10 + 10</em>
<em>5x=20</em>
5x = 0 <em>this is the error</em>
He needs to add 10 to each side
Answer:
i believe it is the 2nd one
Step-by-step explanation:
She will have enough for the cat and dog food.the 6 cat food bags will be $108
Answer:
what is the question? please ask a question.
Answer:
715
Step-by-step explanation:
52/80 × 1100=715 students eat cereal for breakfast
