The difference of twice a number and 4 is at least -27.
The phrase a number means an arbitrary variable, let's call it x.
x
Twice a number means multiply the number by 2
2x
and 4 means we add 4 to our expression:
2x + 4
Is at least means an inequality. In this case, it's greater than or equal to:
2x + 4 >= -27
To solve this inequality, type it in the search engine.
The phrase a number means an arbitrary variable, let's call it x.
x
Twice a number means multiply the number by 2
2x
and 4 means we add 4 to our expression:
2x + 4
Is at least means an inequality. In this case, it's greater than or equal to:
2x + 4 >= -27
To solve this inequality, type it in the search engine.