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2n + 1 = 22
Take 1 from the left side of the equal side and move it to the right side.
To do this subtract 1 from the left side and on the right side
2n + 1 - 1 = 22 -1
2n = 21
Then divide both sides by 2 in order to isolate n.
2n / 2 = 21 /2
n = 21/2 or 10.5
Tada! The answer is 21/2 or 10.5.
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∙ 13y ago
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