Find the missing number so that the equation has no solutions.
X + 13 = -3x + 4

Carter drank 15.75 gallons of water in 4 weeks. he drank the same amount of water each day.a. estimate how many gallons he drank in one day.b. estimate how many gallons he drank in one week.c. about how many days altogether will it take him to drink 20 gallons?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.