(-1x + 3) - (4x + -10) ***We will be using distributive property and combining like terms for this question.
= (-1x + 3) - 1(4x - 10)
= -1x + 3 - 4x + 10
= -1x - 4x + 3 + 10
= -5x + 13
So, in conclusion, the answer to this problem simplified is: -5x + 13.