There are 4 red marbles and 8 green marbles in a box. If Emma randomly selects a marble from the box, what is the probability of
1 answer:
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Answer:
2(s + 5) = 2s + 10, not 2s - 10
2s - 10 = 2s + 10
Answer:
c = - d
Step-by-step explanation:
Multiply both sides by 2 to eliminate the fraction
2A = b(c + d) ← divide both sides by b
= c + d ← subtract d from both sides
- d = c