5. Decide whether each equation is true for all, one, or no values of x. a. 2x + 8 = -3.5x + 19
b. 9(x - 2) = 7x + 5
C. 3(3x + 2) – 2x = 7x + 6

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.