Whats the answer for -8x + 4x?

Which expression is equivalent to 5r6141 2r+st6

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1