Could somebody help me with this please? I am not good with fractions.
Part A: Solve A = 9/2 (x + 28) for x.
Part B: Determine the value of x when A = 135.

Part C: Solve -np - 40 10 for n. Show your work.

Question

Could somebody help me with this please? I am not good with fractions.
Part A: Solve A = 9/2 (x + 28) for x. 
Part B: Determine the value of x when A = 135.

Part C: Solve -np - 40 > 10 for n. Show your work.

triciaal · Answer

Part C: Solve -np - 40 > 10 for n. Show your work.

triciaal · Answer

the goal is to isolate n and get everything to the other side of the inequality.
just like with an equation whatever you do to one side you also do to the other to keep the value of the original

triciaal · Answer

first add 40 to each side 
what do you get?