How do i solve for x? -7x-3x+2= -8x-8

Pls will give brainliest and all p.s u can zoom in if u cant see plss

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?