Given: 4x - 7 = 2x + 9 prove: x = 9 what is the missing reason? 1. 4x - 7 = 2x + 9 1. given 2. 2x - 7 = 9 2. 3. 2x = 18 3. addition property of equality 4. x = 9 4. division property of equality a) multiplication property of equality b) subtraction property of equality c) transitive property of equality d) substitution property of equality

Equation for the calculation double 2 and then add 5

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books