Respuesta :
Answer:
9
Step-by-step explanation:
10 + 8=18
2(9)=18
When an variable is beside a number it automatically becomes multiplication, it would alter if there was another sign there or it is written.
Answer:
y=9
Step-by-step explanation:
Writing out the equation makes it easier to work with.
10+8=2y
First lets add the 10 and the 8 to combine like terms.
18=2y
Now divide both sides by 2
18/2=2y/2
do the division
9=y
The value of y is 9.