7(x+3)
= 7x+ 7*3 (distributive property)
= 7x+ 21.
The final answer is 7x+21~
Is this really a school question or is it just you being weird?
y=10+x(0.5)
This is the way of writing that equation.
The answer would be 25/54
I belive this is -3x+3/x^3
hope this helps!