Answer:
2k-58
Step-by-step explanation:
-5(k+6) + 7(k-4)
-5k-30+7k-28
2k-48
Answer:
irrational
Step-by-step explanation:
It cannot be expressed as a fraction
2x + x = 54 wher x = number of girls
3x = 54
x = 18
18 girls
Answer:
x - 6.
Step-by-step explanation:
3(x-6) = 3x -18
3x -18 + 4x + 12 -6x = x - 6