7+(x+5) would be the answer because sum means addition and it says x and 5. then it says 7 plus that so you put 7. In reality you wouldn't need parenthesis, but if you want it to match the phrase, you can put it in parenthesis.
Answer:
x=12
Step-by-step explanation:
32=2(4+x)
distribute 2.
32=8+2x
subtract 8 from both sides.
32=8+2x
-8 -8
24=2x
divide by 2 on both sides
24/2=2x/2
12=x
Answer: 3g+4g
Step-by-step explanation: just multiply everything in the bracket by the number outside of the bracket. if the number outside of the bracket was 3g(g+4g) the answer would be 3g²+12g²
This might be wrong but I got 120/1008