5x + 10 = -4x - 17
+4x +4x
5x + 4x = 9x
9x + 10 = -17
-10 -10
-27
9x = -27 9x/9 = -27/9
x = -3
Answer:
60
Step-by-step explanation:
x and 2x are linear pair angles.
Sum of linear pair angles is 180,
x + 2x = 180
3x = 180
x = 180 / 3
x = 60
Therefore,
the value of x is 60.
Answer:
Its 15 (x=15)
Step-by-step explanation:
I mean 15-3 is 12
Ha! 3 equations of 3 unknown ... :-)Let's see if I still remember ...Sorry, it will take a little bit (English is not my language ...)