2 years ago

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

Mathematics

1 answer:

timama [110]2 years ago

6 0

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

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