Answer:
can someone make a good answer on this thing
Explanation:
{9, 76 }
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
8.0m questions
10.7m answers