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Roberto has 20 crayons. 12 crayons are red. The rest are blue or yellow. He has two more blue crayons than yellow. How many yellow crayons does he have?

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MagniStratus
20 - 12 = 8

He has 8 blue and yellow crayons altogether.

Yellow = x
Blue = 2 + x

2 + x + x = 8

2 + 2x = 8

Subtract 2 to both sides

2x = 6

Divide 2 to both sides

x = 3.

He has 3 yellow crayons.
bobthedonut1
12=Red
8=blue or yellow
Blue is b
Yellow is y
What two numbers add up to 8 but the difference is 2.
5 and 3!
He would have 3 yellow crayons
Y-2=b

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