I would add like terms, meaning subtract 6.4 from both sides.
3.5n = 36.1
Write that as 7x. Writing it as x7 could lead to confusion. 7*x would be OK.
50p-40p+25-p
9p+25 is the answer.
Simplify means solve and to solve we first need to do 2 to the 2nd power which is two * 2 that equal 4 than do 2 to the 10th power that equal 1024 and than we can just do
4 divided by 1024 = 0.0390625
190. Count it out on your fingers, starting with -10,-15, and -20. Then count out both hands.
