anviisavchs anviisavchs

21-09-2020
Mathematics

contestada

Which expression below is equivalent to 2x + 8?
8(x + 1)
2(x + 2) + 2
x + 2(x + 4)
x + 4 + x + 4

Respuesta :

jimthompson5910 jimthompson5910

21-09-2020

Answer: D) x+4+x+4

The two x terms combine to x+x = 2x

The other pair of like terms, the constants, add to 4+4 = 8

Overall we get 2x+8

2x+8 is also equivalent to 2(x+4) when you factor out the GCF 2.

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HELP ASAP Which pair shows equivalent expressions? A.2(2/5x+2=2 2/5x+1 B.2(2/5x+2+=4/5x+4 C.2(2/5x+4) = 4/5x+2 D.2(2/5x+4) = 2 2/5x + 8