Solve the inequality -2z - 3 < 5
2 answers:
answer:
z > - 4
step-by-step explanation:
first take out the inequality sign, and use an equal sign this makes it easier to solve it is not required to do it, but helps a lot -2z - 3 < 5
- - > -2z - 3 = 5
now solve this like an equation -2z - 3 = 5
-2z = 8
z = -4
now note that if we divide by a negative number in inequality, the sign FLIPS in this case, this happened when we divided by -2 so, we would have to flip the sign before we do that, let's bring the equation back to an inequality z = -4
- - > z < -4
keep everything the way it was now, FLIP the sign z > - 4
Answer:
z > -4
Step-by-step explanation:
-2z< 5+3
-2z < 8
z > 8/2
z > -4
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