Y+5x-12=0 what is solution to get the answer of that?

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7