Answer:
x= 15 so the c) is right
Step-by-step explanation:
We can do it like:
3(2x + 5) = 3x + 4x
or 6x + 15 = 7x
-6x+ 6x +15 = -6x+ 7x
or 15 = x
The solution is 15
Hope you understand it.
Answer:
x+y=z
4+9=13
Step-by-step explanation:
x=4
2(4)+1=y=9
4+9=13
Answer:
-3/4
Step-by-step explanation:
I hope this helps.
Π = 3.14
π = 3.141592653589793