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katrin2010 [14]
3 years ago
13

Solve the system of equations using the substitution method. ​ ​ x = −2 2x + 5 = y

Mathematics
2 answers:
alexdok [17]3 years ago
8 0

\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}

dimaraw [331]3 years ago
3 0

Answer:

y = 1

Step-by-step explanation:

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

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

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