2+2+2+10+5+5+5+20+20+20+20+20+20=151
20
20 + 10 + 5 = 35
your answer is 20 ( 10+5=15+5=20)
A = 77 + 5 + 8 = 20
5 + 8 + 20 + 12 + 19 = 64
3x+5=20 x=5 since 5x3+5=20
57
15 + 5 = 20
The answer is 155. Simply add up all of the numbers arithmetically like you would for two plus two. To make sure the answer is correct, check your work using a calculator.
-20 + 5 = -15
58