<span>12X = -36
Divide 12 on both sides
Final Answer: X=-3</span>
Substitute the 1st equation in the 2nd, we get:
3x + 2(-3 + 2x) = 2
3x -6 +4x = 2
7x = 8
x = 8/7
Replace x = 8/7 in equation 1,
y = -3 + 2(8/7) = -3 +16/7 = -5/7
Number 3 is gonna be 2 and Number 4 will be 294 I hope this would help u a little bit I will figure out the Other questions
Answer:
60$ will be left
Step-by-step explanation: 30x8 = 240. subtract 300-240 and you get 60