elijahvavilin
elijahvavilin
22-09-2017
Mathematics
contestada
x + 4(x + 5) = 40 answer this
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apologiabiology
apologiabiology
22-09-2017
distribute
x+4x+20=40
add like terms
5x+20=40
minus 20 both sides
5x=20
divide both sides by 5
x=4
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