5x - ( x + 2 ) - 3 ( x - 4)
= 5x –x + 2 – 3x +12
= 4x +2 – 3x + 12
= x + 14
2007-01-28 03:34:57 · 7 answers · asked by donnam4863 2 in Science & Mathematics ➔ Mathematics
Did I do this one right?? No, you committed one mistake of sign. I make the correction for you.
5x - ( x + 2 ) - 3 ( x - 4)
= 5x –x - 2 – 3x +12
= 4x -2 – 3x + 12
= x + 10
2007-01-28 03:41:36 · answer #1 · answered by Anonymous · 0⤊ 0⤋
m afraid u made a mistake...see
5x - ( x + 2 ) - 3 ( x - 4)
= 5x –x + 2 – 3x +12 {this step}
= 4x +2 – 3x + 12
= x + 14
it should be -2 so answer is
x+10
2007-01-28 11:45:33 · answer #2 · answered by prat_apr89 1 · 0⤊ 0⤋
No-your answer is incorrect.
First: eliminate parenthesis > distribute the negative sign & the outer term with the terms in parenthesis ....
5x - x - 2 - 3(x) - 3(- 4)
5x - x - 2 - 3x + 12
Sec: combine "like" terms...
5x - x - 3x - 2 + 12
= x + 10
2007-01-28 12:44:45 · answer #3 · answered by ♪♥Annie♥♪ 6 · 0⤊ 0⤋
5x - (x + 2) - 3(x - 4)
5x - x - 2 - (3x - 12)
4x - 2 - 3x + 12
x + 10
- - - - - - - -
When a negative ( - ) sign preceeds a parenthesis. once the parenthesis is removed all signs change - to + and + to -
- - - - - - - - - - s-
2007-01-28 11:47:40 · answer #4 · answered by SAMUEL D 7 · 0⤊ 0⤋
uhm, no!
5x - ( x + 2 ) - 3 ( x - 4)
5x -x -2 -3x + 12
x+10
2007-01-28 11:38:54 · answer #5 · answered by 7 · 0⤊ 0⤋
5x-x-2-3x+12
=x+10
you forgot to distribue the negative--it should have been -2
2007-01-28 11:41:06 · answer #6 · answered by π∑∞∫questionqueen 3 · 0⤊ 0⤋
5x-x-2-3x+12
4x-2-3x+12
x+10---answer
2007-01-28 11:58:13 · answer #7 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋