Idint understand the steps below show the incomplete solution to find the value of x for the equation 5x − 2x − 3 = −2 + 15: step 1: 5x − 2x − 3 = −2 + 15 step 2: 5x − 2x − 3 = 13 step 3: 3x − 3 = 13 which of these is most likely the next step? (4 points) select one: a. 3x = 16 b. 3x = 10 c. 3x = 39 d. 3x = 3

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?