Which linear equation has no solutions? O A. 7x+x+4 = 2 (4x + 2)
B. 3 (3x + 1) = 8x+x
O C. 10x + 8 = 5x + 8
D. 5x + 15 = x - x

How do i solve uniform motion problems?

What is r i 4.5+10r=-6.5 with work pls

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?