Which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x? x + x + 6 – 7 + x
2x + 2 + x 3 – x + 2x – 4 + 2x
x – 1
x + 1
PLEASE HELP PLS PLS PLS

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these