Answer:
+1
-1
Step-by-step explanation:
Given equation :
= 0
x= ±1
x= 1 and x= -1
±1 lies in solution set of real numbers !
Answer:
5
Step-by-step explanation:
5x = 2x + 15
5x - 2x = 2x + 15 - 2x
3x = 15
x = 5
Answer:
x=35
Step-by-step explanation:
I usually solve them like this: