YOU ARE SMART YOU CAN DO THIS
D mass is proportional to 1/inertia2
Y-5=4(x+2)
y-5=4x+8
+5 +5
y=4x+13
is that what you are talking about?
X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
