Question

suppose u had d dollars in your bank account. You spent $12 but u have at least $51 left. how much money did u have initially? write and solve in inequality form.

Answer 1

you had $63 dollars, if you spent 12 and have 51 left

Answer 2

but in inequality form

Answer 3

You had d dollars. You spent $12. You now have (d - 12) dollars. You now have AT LEAST $51. That means
d - 12 >= 51
add 12 to both sides:
d >= 63