Question

c. y=-2x+17\
y=8-x\
-2x+17=8-x\
17=8+x\
x=17-8=9\
y=8-x=8-9=-

Explanation:

Step1: Set equations equal

$-2x + 17 = 8 - x$

Step2: Isolate x terms

$17 - 8 = 2x - x$

Step3: Solve for x

$x = 17 - 8 = 9$

Step4: Substitute x to find y

$y = 8 - 9 = -1$

Answer:

$x=9$, $y=-1$