Which equation is equivalent to 2x + 10 = 6

A)
2x = 4
x + 5 = 3
(
x + 10 = 3
2x + 6 = 10

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .