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BabaBlast [244]
3 years ago
15

Can you solve these and explain. 4x + 6 < -6. - 2/5 x-9 < 9/10

Mathematics
1 answer:
Elena L [17]3 years ago
3 0

4x + 6 < -6

subtract 6 from each side

4x < -12

divide by 4

x < -3


- 2/5 x-9 < 9/10

multiply each side by 10 to get rid of the fractions

10*(- 2/5 x-9) < 10*9/10

distribute

-4x -90 <9

add 90 to each  side

-4x < 99

divide by -4 (which flips the inequality)

x> -99/4

x> -24 3/4

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