=10, by 4t−5 gives t+5=10(t−5). Distributing the 10 over the values in the parentheses yields 1t+5=10t−50. Subtracting t from each side of the equation gives 5=9t−50, and then adding 50 to each side gives 55=9t. Finally, dividing each side by 9 yields t=
55
9
Choices A, B, and C are incorrect and may be the result of calculation errors or using the distribution property improperly.