Twice a number is equal to 35 more than seven times the number. Find the number

number - n

Twice a number - 2n

Seven times the number - 7n

2n = 7n + 35

7n-2n = - 35

5n = - 35

n = - 7

Check:

2 (-7) = 7 (-7) + 35

-14 = - 49 + 35

-14 = - 14 True

The number is ( - 7).