John gave half his stamps to jim. jim gave half his stamps to carla. carla gave 1/4 of the stamps given to her to thomas and kept the remaining 12. how many stamps did john start with?

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

$97520

step-by-step explanation:

add 6% to the value she got from selling the house.