You can write it out multiple ways, such as x<=-4, x is (-infinity, -4], or {x | x<=4}. Even using a line, put -4 down, with a closed circle (including it means) and an arrow from there pointing left, for the included values to negative infinity.
12h + 44 = 15h + 35
h= number of hours that Val and Tony work
Answer:
yksykskyskgsykslydhdlhdyldkydkydydyodyldgkdlydlyd
You can use a calculator, or use long division
