5x + 850 = -10x + 985
+10x = +10x
______________
15x+850 = 985
-850 = -850
______________
15x=135
/15= /15
__________
x=9
It will take 9 months
<h2><u>The answer is -17.</u></h2>
:)
Step-by-step explanation:
so sum of exterior angles if a triangle is always 360. you can make an equation and solve for x