Answer:
x = 6
Step-by-step explanation:
5x-3 = 2x+15
5x-2x-3 = 15
5x-2x = 15+3
3x = 15+3
3x = 18
Answer:−x2−6xy+8y2+9yz−12
18ywjhtzk8ywbhuj
ujzjtzjdjwjduxhxhwbsusuww
-4
f(-1) = 2(-1) - 2 = -4
Im not sure use a caculator with it