Answer:
x = 20
Step-by-step explanation:
Assuming that both lines are straight lines, we can make opposite sides equal. So... 3x+50 = 6x-10 --> 3x+60=6x --> 60=3x --> x=20
A is the anser
5x+3>4x+7
-4x -4x
x+3>7
-3 -3
x>4
so the answer will be the second
3(x+7)=-36
x+7=-12
x=-19