Respuesta :

X+Y=172 OE X=172-Y
X=5Y-8
5Y-8=172-Y
5Y+Y=172+8
6Y=180
Y=180/6

Y=30 ANS
X=172-30
X=142 ANS. FOR THE FIRST NUMBER WHICH IS:
PROOF:
142=5*30-8
142=150-8
142=142
jwendland790

Answer:

Y=30 ANS

Step-by-step explanation:

X=172-30

X=142 ANS. FOR THE FIRST NUMBER WHICH IS:

PROOF:

142=5*30-8

142=150-8

142=142

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