David bought a game box for $479 and paid $154 less for a stereo. if he brought $1,000 with him to the store, how much did he have left?

Which one is the correct answer, and why?

Need same math paper but the back now i hope your able to read it cleary i need with hw

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?