If a certain number is decreased by 8 and that difference is multiplied by 8, the result is equal to the result obtained if the number is decreased by 6 and that difference is multiplied by 6. Find the number.
Let x= the number
x-8= the number decreased by 8
x-6= the number decreased by 6
Thanks :)
2007-05-28 11:08:16 · 7 answers · asked by ME!!!!! 1 in Science & Mathematics ➔ Mathematics
14
here's how I got that.............
(y-8) x 8 = (y-6) x 6
8y - 64 = 6y - 36
..... add 64 to both sides.......
...... subtract 6y from both sides ........
2y = 28
y = 14
2007-05-28 11:12:14 · answer #1 · answered by maddog27271 6 · 0⤊ 0⤋
(x-8) * 8 = (x-6) * 6
Distribute the number outside the parenthesis to everything inside the parenthesis.
8x-64=6x-36
+64= +64
8x = 6x + 28
-6x=-6x
2x = 28
/2 = /2 (Divide by 2)
x=14
2007-05-28 18:14:36 · answer #2 · answered by wowzers 2 · 0⤊ 0⤋
14
2007-05-28 18:13:22 · answer #3 · answered by Cloey 2 · 0⤊ 0⤋
(x-8)8 =(x-6)6 8x-64 = 6x-36 2x=28 x=14
2007-05-28 18:15:36 · answer #4 · answered by dwinbaycity 5 · 0⤊ 0⤋
so you are saying
(x-8).8 = (x-6).6
or
8x-64 = 6x - 36
subtract 6x from both sides
2x -64 = -36
add 64 to both sides
2x = 64-36
divide both sides by 2
x = 28/2
x=14
2007-05-28 18:13:11 · answer #5 · answered by Orinoco 7 · 0⤊ 0⤋
let the number=x
8(x-8)=6(x-6)
8x-64=6x-36
2x=28
x=14
may easily verify the answer.
2007-05-28 18:17:48 · answer #6 · answered by Anonymous · 0⤊ 0⤋
(x-8)8 = (x-6)6
8x-64 =6x-36
2x = 28
x = 14
2007-05-28 18:19:56 · answer #7 · answered by ironduke8159 7 · 0⤊ 0⤋