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2 votes
Solve the system of equations using the substitution method.


​ x = −2 2x + 5 = y

2 Answers

5 votes


\text{Solve by plugging -2 to x:}\\\\\text{We know this by the question identifies what the value of x is}\\\\2(-2)+5=y\\\\\text{Solve:}\\\\2(-2)+5=y\\\\-4+5=y\\\\\boxed{1=y}

User Ngen
by
4.5k points
1 vote

Answer:

y = 1

Explanation:


x=-2\\2x+5=y


2(-2)+5=y\\-4+5=y\\1=y

User Dilar
by
4.3k points