xXHelpEr
xXHelpEr xXHelpEr
  • 15-05-2020
  • Mathematics
contestada



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

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ItzMikeSS
ItzMikeSS ItzMikeSS
  • 15-05-2020

Answer:

y = 1

Step-by-step explanation:

[tex]x=-2\\2x+5=y[/tex]

[tex]2(-2)+5=y\\-4+5=y\\1=y[/tex]

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ProfessorAlvarez
ProfessorAlvarez ProfessorAlvarez
  • 15-05-2020

[tex]\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}[/tex]

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