Question 114870
2X+28<=6X
2X-6X<=-28
-4X<=-28 WHEN DIVIDED BY A NEGATIVE NUMVER THE < SIGN CHANGES TO A > SIGN.
X>=-28/-4
X>=7 ANSWER.
PROOF LET X=7.1
2*7.1+28<=6*7.1
14.2+28<=42.6
42.2<=42.6