Answer:
581
mark me as brainliest plz

this is because when you add

and

you get

which you'd then divide like this

If you wanted to simplify that it would be
Answer:
Step-by-step explanation:
58(s-4)=0
58s-232=0
58s=232
S =232/58
S=4
Value of a is 4.
Answer:
x= 45
Step-by-step explanation:
2x+x + 45 = 180
Combine like terms
3x+45 =180
subtract 45 from each side
3x+45-45= 180-45
3x = 135
Divide each side by 3
3x/3 = 135/3
x = 45
Answer:
n=-5
Step-by-step explanation: