twice the sum of -4 and a number is the same as the number decreased by 7/4. Find the number
Let the number be N.
2*(-4 + N) (twice the sum of -4 and a number)
2*(-4 + N) = (is the same as)
2*(-4 + N) = N - 7/4 (the number decreased by 7/4)
-8 + 2N = N - 7/4
-32 + 8N = 4N - 7
-25 = -4N
N = 25/4