Solve the system of linear equations by substitution.
-2x + 3y = 14
X + 2y = 7

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's