The GCF is 1 and the LCM is 1260
Answer:
14
Step-by-step explanation:
10 questions = 4 correct + 6 incorrect
4 correct = 4* 5 = 20
6 incorrect = 6* (-1) = -6
His score is 20 -6 = 14 points
Step-by-step explanation:
5 (-3 x -2) - (x-3) = -4 ( 4x + 5) +13
-15x-10-x+3=-16x-20+13
-15x+16x-x=-20+13+10-3
0=0
no solution
