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Mathematics
6 March, 21:57
Solve the system of equations.
y = 3x+49
y = 7x+13
+5
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Wade Mora
6 March, 22:22
0
Answer: I don't know
Step-by-step explanation: I don't know
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Brendon Nicholson
6 March, 22:27
0
{9, 76 }
Step-by-step explanation:
y=3x+49
y=7x+13
y-3x=49
y-7x=13
multiply the first one by 7 and the second one by - 3 to eliminate x
7y - 21x=343
-3y+21x = - 39
4y = 304
y=76
76 - 3x = 49
-3x = - 27
x=9
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