Please Simplify The Following Expression...
5(3x-2)-4-2(4=x)
2007-12-15 05:49:14 · 12 answers · asked by bumble 3 in Science & Mathematics ➔ Mathematics
multiply out brackets again.
5(3x-2)-4-2(4-x) * * * * * going to assume that this is a typo and is should read 4 - x not 4=x otherwise, confused statement...
[15x-10] -4 - [8 + 2x]
15x -14 -8 +2x
17x - 22
the number outside of the bracket is multiplied by whats inside. if the number is negative then when it multiplies a negative element, it becomes a positive (as -2 multiply -x above)
2007-12-15 05:55:09 · answer #1 · answered by p_giffney 4 · 0⤊ 0⤋
I agree with Jason... it should be 5(3x-2) - 4- 2(4) = x
and the answer is 15x-10-4-8 = x
15x-22 = x
x = 22/15
2007-12-15 05:56:14 · answer #2 · answered by answermachine 2 · 0⤊ 0⤋
15X -10 - 4-8 = (-2X). Again, this has an equals sign but it still is not an equation.
I would add +2X to both sides and get: 17X - 22. The equation sign is confusing! The more correct answer would be 13X -22, at least, I believe.
We have no unknown to solve for.
2007-12-15 06:06:18 · answer #3 · answered by gzlakewood@sbcglobal.net 4 · 0⤊ 0⤋
working in the parenathesis first, and x=4
5 ( 3(4)-2)-4-2 (Three times four)
5(12-2)-4-2
5(10)-4-2
50-4-2
50-6
44
2007-12-15 05:54:06 · answer #4 · answered by skipymcgoo 3 · 0⤊ 0⤋
5(3x-2)-4-2(4=x).?????????
Simplify means no = sign
5(3x-2)-4-2(4-x).......is this it
=15x - 10 - 4 -8 +2x
= 17x -22
2007-12-15 05:54:38 · answer #5 · answered by harry m 6 · 0⤊ 0⤋
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2017-01-08 10:28:26 · answer #6 · answered by janos 3 · 0⤊ 0⤋
5(3x-2)-4-2(4=x)
are you subtracting or adding?
Subtraction:
5(3x-2)-4-2(4-x)
15x-10-4-8+2x
15x-22+2x
17x-22
Addition:
5(3x-2)-4-2(4+x)
15x-10-4-8-2x
15x-22-2x
13x-22
2007-12-15 06:01:14 · answer #7 · answered by DrCoolSanta 2 · 0⤊ 0⤋
5(3x-2)-4-2(4=x) doesnt appear right .
Is it 5(3x-2)-4-2(4)=x?
2007-12-15 05:53:06 · answer #8 · answered by jason 2 · 0⤊ 0⤋
15x-10-4-8-2x
13x-22
2007-12-15 06:23:05 · answer #9 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
If you really are some-one's grandmother then do you really think getting other people to do your grand-daughter's home-work is helping her to learn? If you are in fact posing as some-one's grandmother to get your own home-work done this is not helping you much either.
2007-12-15 09:12:30 · answer #10 · answered by Anonymous · 0⤊ 1⤋