SOLUTION: solve with solution: 3x-Y=17 X=4y 2x-y=21 x=4y
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Question 1106172
:
solve with solution:
3x-Y=17
X=4y
2x-y=21
x=4y
Answer by
Boreal(15235)
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3x-y=17 and x=4y
3(4y)-y=17
11y=17
y=(17/11)
x=68/11
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2x-y=21 and x=4y
8y-y=21
y=3
x=12