Question

13 cube + 7 cube / 13 square +7 square - x = 20​

Answer 1

Step-by-step explanation:

13 cube + 7 cube/13 square + 7 square - X=20

so,

2197+343/169+49-x=20

so,

2540/218-x=20

so,

2540-x=20 multiplied by 218

so,

-x=4360-2540

so,

-x=1820

so,

X=-1820.

solved!