Question

70. pts

2x + 6 ≥ –4

A.
x ≤ –5

B.
x ≥ –8

C.
x ≥ –5

D.
x ≤ –8

Answer 1

`2x+6\geq-4 \\\\ 2x\geq-4-6 \\\\ 2x\geq-10 \ \ \ |:2 \ \ \ \hbox{divide all the inequality with 2} \\\\ x\geq-5 \\\\ \hbox{The answer is variant C. x\geq-5}`

Answer 2

2x+6 > -4
trate it as a temporary equals sign
2x+6=-4
subtract 6 rom both sdies
2x=-10
divide both sides by 2
x=-5

put it back
x > -5
so the answer is C