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Xavier yaozhou and Zara has some beads.Xavier and yaozhou had a total of 438 beads.Xavier and Zara had a total of 204 beads.Yaozhou had 3 times as many beads as Zara.How many beads did Xavier have?

Respuesta :

ShelbyWyatt

Answer:

he has 87 beads

Step-by-step explanation:

x+y=438

x+z=204

y=3z

z=204-x

x+3(204-x)=438

x+612-3x=438

-2x+612=438

-2x=-174

x=87

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