The best method i found is guess-and-check. Just guess the three numbers. If you do this you should get 6+8+10.
Answer:
23
Step-by-step explanation:
2x + 3x +1 + 3x - 5 = 180
>8x -4 = 180
>8x = 184
>x = 23
Answer:
Step-by-step explanation:add 4 to the side that has "13" then you will get "17" then divided -7 from x and "17"and your answer is x=idk
2 + -9n = 56. -9n = 54. N = -6
Answer: Olga's solution is incorrect
x + 7x is the same as 1x + 7x
7x2 is the same as 7x. x
x + 7 x simplifies to 8x
Step-by-step explanation: