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OpenStudy (anonymous):
Solve the system. What is the value of x? y = 3x and 4x + 2y = 30 a: 3 b: -3 c: 9 d: -9
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OpenStudy (anonymous):
it's a
OpenStudy (anonymous):
a: 3 4x+2(3x)=30 10x =30 x = 3
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