Which equation has the solution x = 3? a. 3x + 1 =9 b. x/3 + 5 = 6 c. 5x - 7= 1 d. 9 - 3x = 0 e. 2x + 4 = 10 f. 9/x - 1 = 4

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1