Answer:
2x + 7 = 3x - 7
3x - 2x = 7 + 7
x = 14
2x + 7 + 12y + 1 = 180
2(14) + 12y + 8 = 180
28 + 12y + 8 = 180
36 + 12y = 180
12y = 180 - 36 = 144
y = 144/12 = 12
x = 14, y = 12
Answer: 11
Step-by-step explanation: First, 9 times 2 is 18. Then subtract 18-7 which equals 11.
Answer is -2
Step-by step solution: