anyone one no how to do this math equation 7x-30<19?

1 ⤊

anyone one no how to do this math equation 7x-30<19?

2006-11-21 12:19:08 · 3 answers · asked by lexh 1 in Science & Mathematics ➔ Mathematics

3 answers

7x-30<19
7x<19+30
7x<49
x<7

2006-11-21 12:22:57 · answer #1 · answered by cobraqueen89 2 · 1⤊ 0⤋

7x - 30 < 19

7x - 30 + 30 < 19 + 30

7x < 49

7x / 7 < 49 / 7

x < 7

The answer is x < 7

Insert the x value into the equation,

- - - - - - - - -- - - - - - -- - - - - - - - -

7x - 30 < 19

7(7) - 30 < 19

49 - 30 < 19

19 < 19

- - - - - -s-

2006-11-21 20:54:19 · answer #2 · answered by SAMUEL D 7 · 0⤊ 0⤋

first of all we got to know what x equals then sub it in like say x equals 22 then[(7times22)minus 30]has to be greater than 19 it's simple if u need nemore help tell me kk?

2006-11-21 20:24:50 · answer #3 · answered by grliegrl22 1 · 0⤊ 0⤋