I believe the answer is 4,410. Correct me if I'm wrong. But, I divided 12,600 by 200 and got 63. Then I multiplied the 63 by 70 to get 4,410
A+B = 2X -2
A-B = 4X -8
Add the equations,
2A = 6X - 10
A = 3X - 5
Now, 3X - 5 + B = 2X - 2
B = 2X-3X - 2 + 5
B = 3 - X
Hope this helps!
Answer:
you can put the number on one side of the equation then the "x" part on the other side.
with c) 4x = 6-10
4x = -4
x = -4/4
x = -1
with d) 7x - 1 = 4x + 8
7x - 4x = 8 + 1
3x = 9
x = 9/3
x = 3
it is 4 3 2 1 5 6 4 3 3. 6 5 3 3 5 5 3 4 5 4