pixieasia pixieasia

29-11-2016
Mathematics

contestada

if Y = 6x + 4 and 6x + 8 = 44, then Y=

A. 46
B. 28
C. 22
D. 40

Respuesta :

apologiabiology apologiabiology

29-11-2016

so the equation was really 6x+8=44, not 6x+8y=44 as I am used to

solve for x first

6x+8=44
minus 8 both sides
6x=36
divide both sides by 6
x=6

sub
y=6x+4
y=6(6)+4
y=36+4
y=40

D

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