Question

Write an equation and solve it for each case below. let x be variable. x represents an integer.

a. a number added to -4 equals -1.
b. a number subtracted from 5 gives an answer of -2.
c. -7 minus a number equals -10.

Answer 1

`-4+x=-1\\ x=3\\\\ 5-x=-2\\ -x=-7\\ x=7\\\\ -7-x=-10\\ -x=-3\\ x=3`