x + 7 – 8x – 9 (the sign greater than or equal to goes here) 3(x – 7)?

0 ⤊

x + 7 – 8x – 9 (the sign greater than or equal to goes here) 3(x – 7)?

solve for x. x's on the left side.

2006-10-30 15:55:09 · 3 answers · asked by jackson32s 1 in Education & Reference ➔ Homework Help

3 answers

X + 7 - 8X - 9 >= 3( X - 7)
-7X -2 >= 3X - 21
-2 >= 10X - 21 (addind 7X to both sides)
19 >= 10X (adding 21 to both sides)
1.9 >= X (devide bs by three)

X<= 1.9

2006-10-30 16:00:09 · answer #1 · answered by jemhasb 7 · 0⤊ 1⤋

x+7-8x-9=3(x-7) => -7x-2=3x-21 => -7x-3x=-21+2 =>-10x=-19 => x=-19/-10=19/10=1.9 ans.

2006-10-30 17:58:44 · answer #2 · answered by alpha 7 · 0⤊ 0⤋

Reducing:

-7x - 2 greater than or equal to 3x -21

-10x greater than or equal to -19

-x greater than or equal to -1.9

x less than or equal to 1.9

2006-10-30 15:59:28 · answer #3 · answered by Anonymous · 0⤊ 0⤋