Four times a number added to six equal 26

Need on this geometry question. explain how you did it.

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?

Select the correct answer from each drop-down menu the equation of a line is 3/5*+1/3y=1/15