devonfentress devonfentress

23-08-2017
Mathematics

contestada

Evaluate the expression below when y = -3.

2y + 7

-4y − 10

i need help#awnser

Respuesta :

twvogels twvogels

23-08-2017

Start with the given equation:
[tex]2y+7[/tex]
Substitute known values:
[tex]2(-3)+7[/tex]
Evaluate:
[tex]-6+7=1[/tex]

Similarly:
[tex]-4y-10[/tex]
[tex]-4(-3)-10[/tex]
[tex]12-10=2[/tex]

Answer Link

musiclover10045 musiclover10045

23-08-2017

replace y with -3

2y + 7 becomes 2(-3) + 7 = -6 +7 =1

-4(-3)-10 = 12-10 = 2

Answer Link

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