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Inverse both sides

Multiply sides by 4



Subtract sides 8


Done...
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Step-by-step explanation:

Answer:(12,17)
Step-by-step explanation:
X + y= 29
4.50x + 7y=173
Solve by elimination.
4.5 x 4.5 = 20.25 x 4.5 = 91.125 in