Answer:
12
Step-by-step explanation:
Starting with 113+ (2x+5)=180, combine like terms and to get 118+2x=180. Subtract 180-118, which gives you 62. Then you have 2x=62. Divide both sides by 2 to get a final answer of x=31.
Answer:
32 square units
Step-by-step explanation:
N^2 should be the correct answer. Based on those numbers, it appears that the sum can be found by squaring the term n
