timtimrooters25 timtimrooters25
  • 14-03-2020
  • Mathematics
contestada

What is the value of 5a plus 2(a plus b) when a equal 4 and b equal 2

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Hrishii
Hrishii Hrishii
  • 14-03-2020

Step-by-step explanation:

[tex]5a + 2(a + b) \\ = 5a + 2a + 2b \\ = 7a + 2b \\ = 7 \times 4 + 2 \times 2 \\ = 28 + 4 \\ = 32[/tex]

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ProfessorAlvarez
ProfessorAlvarez ProfessorAlvarez
  • 14-03-2020

[tex]\text{Solve by plugging values into equation:}\\\\5a+2(a+b)\\\\5(4)+2(4+2)\\\\20+2(4+2)\\\\20+2(6)\\\\20+12\\\\\boxed{32}[/tex]

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