Slope is -2 and y-intercept is -6 how do i write the linear equation in slope intercept form

You need to write it in the form y = mx +b 
since slope is m and b is the y-intercept, it would be written as y = -2x + -6

I hope this helped :) 

Well what if i told you it wouldn’t matter, because in the future the pony dies, depending on what choice you make

It's like discovering the answer to a puzzle. the purpose in solving an equation is to find the value or values of the variable that makes it a true statement. any value of the variable that makes the equation true is called a solution to the equation.