Question

Please help I'm really behind on work. I will give 98 points thanks.

1. −7≥13−5x
x≥−4
x≥4
x≤4
x≤−4
2. 5+d>5−d
d>0
d<−5
d>−10
d>6
3. 3(n+5)≥3n+8
n≥7
no solution
n≥23
all real numbers

Answer 1

one the first one the sign flipped because you divided by a negative number, on the third one it was all real numbers because the coefficients of n (which was "3") are equal and 3n+15 is greater than or equal to 3n+8 no matter what number you put in