Solve for r and t: 6r - 3t = 6 6r + 8t = -16

Ineed if you could explain and give me the answer you! this needs done

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?

Solve the formula ax+ by = c for x.