≥-4
Pretend the greater than or equal to sign is an equal sign, we will substitute it back in later.
x/2 = -4
Multiply both sides by 2 to get x alone
x = -8
Substitute the greater than or equal to sign back in and voila!
x≥-8
the step by step instructions r in the pics
Sin230=sin(180+50)=sin180cos50+cos180sin50=-sin50 answer 1