Which equation would best help solve this problem?
Five added to 2 times a number is equal to 7 less than 4 times the number.
a. 2x + 5 = 4x – 7
b. 4x +7 = 2x – 5
c. 5x + 2 = 7x – 4
d. 2x – 5 = 4x + 7