Where does the Parenthesis go to make the following equation true?

12=60-18÷2+4+10÷2

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36