x – by = a and y = -x

Question

can someone help me solve this literal equation step by step; it would be greatly appreciated :)

oobleck · Accepted Answer

assuming you want to solve for x, then since y = -x, x - b(-x) = a x + bx = a x(b+1) = a x = a/(b+1)

()()()()()()()()()() · Answer

thanks oobleck