2x + y = 12
2x = 12 - y
x + 2y = -6
2y = -6 - x
2x + 2y
12 - y + (-6) - x
12 + (- 6) - y - x
12 - 6 - y - x
6 - y - x
Answer: - x - y + 6
Answer:
8x + 2 = 2x + 16 (subtract 2x)
6x + 2 = 16 (subtract 2)
6x = 14 (divide 6)
x = 6/14 or 3/7 or 0.429 (rounded)
Answer:
21 inches
Step-by-step explanation:
3+2=5
5+5=10
10+7=17
17+4=21
