Answer:
x = 21/2
y = -19/2
Step-by-step explanation:
5x - 17 = 4y + 7x
5x - 7x - 4y = 17
-2x - 4y = 17
6x + 8y = - 13
-2x - 4y = 17 | ×2 |
6x + 8y = - 13 | ×1 |
-4x - 8y = 34
6x + 8y = - 13
___________+
2x = 21
x = 21/2
-2x - 4y = 17
-2(21/2) - 4y = 17
-21 - 4y = 17
-4y = 17 + 21
-4y = 38
y = -38/4
y = -19/2
Answer:
Perpendicular
Step-by-step explanation:
Intersect over each other
Answer:
Look down
Step-by-step explanation:
AC=BD
8*2=16
15*2=30
AC=16
BD=16
AB=30
CD=30
Answer:
6795.70
Step-by-step explanation:
smart people
<span> 3a^3+8a-6
+4a^2-9a+11
=3a^3+4a^2-a+5
</span>