3 × (a + b) = 3(a + b)
the sum of a and b is a + b
3 times this sum = 3(a + b)
1/2n + 15 = 9 <== ur equation
1/2n = 9 - 15
1/2n = - 6
n = -6 * 2
n = - 12 <== ur solution
Answer:
very likely
Step-by-step explanation:
Most of the marbles in the bag are red so that's why it's likely.