Answer:
x = 3.875 OR 4
Step-by-step explanation:
x + 3 5/8 = 7 1/4
In improper fractions:
x + 27/8 = 29/4
To combine x with it
(8x + 27)/8 = 29/4
Lets cross multiply
29 × 8 = 4(8x + 27)
232 = 32x + 108
Simplify;
232 - 108 = 32x
124 = 32x
x = 3.875
Rounded off 4