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How do you solve 7(7a-9)>84

How do you solve 7(7a-9)>84
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1 vote
How do you solve 7(7a-9)>84

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User Najaf Ali
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7.4k points

1 Answer

2 votes

7(7a-9)>84

first multiple out to get rid of the parentheses

49a - 63 > 84

add 63 to both sides

49a > 147

Divide by 49 and flip the sign because when you divide a inequality you have to flip the sign

a < 3

answered
User Loi
by
8.5k points
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