P = a + b + c, solve for c
"My answer is P/a+b=c" I am not sure please help and explain

Question

P = a + b + c,  solve for c
"My answer is P/a+b=c" I am not sure please help and explain

anonymous · Answer

That is right

anonymous · Answer

The choices in my homework don't support it a.	
a.
P – a + b = c

	b.	
P – a – b = c

	c.	
P / -a + b = c

	d.	
P / a - b = c

anonymous · Answer

It should be A.

anonymous · Answer

so it is p- not p/ ?

anonymous · Answer

Yes sorry I had got mixed up earlier it is a

anonymous · Answer

I still don't understand why P-a+b=c

anonymous · Answer

The answer is B First you subtract a from both sides then it leaves you with p-a=b+c then you subtract b from both sides and gives you p-a-b= c

alexandervonhumboldt2 · Answer

a+b+c=p
a+b+c-a-b=p-a-b
c=p-a-b

anonymous · Answer

5x + 10y = -20, solve for y so in this case the answer will be a.	
y = -½ x - 2