1/2(4x-10)=1/3(15x-6)=?

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1/2(4x-10)=1/3(15x-6)=?

2007-11-05 17:03:12 · 5 answers · asked by Howard S 1 in Science & Mathematics ➔ Mathematics

5 answers

1/2(4x-10)=1/3(15x-6)

Multiply both sides by 6
3(4x-10)=2(15x-6)

Expand
12x-30=30x-12

Bring x to one side
12x-30x = -12 +30
-18x=18

Solve
x=18/-18
=-1

2007-11-05 17:31:21 · answer #1 · answered by Niche 3 · 0⤊ 0⤋

1/2(4x-10)=1/3(15x-6)
3(4x - 10) = 2(15x-6)
12x - 30 = 30x -12
18 x = - 18
x = -1

2007-11-05 17:16:30 · answer #2 · answered by Natali 2 · 0⤊ 0⤋

x=-1

2007-11-05 17:06:12 · answer #3 · answered by Anonymous · 0⤊ 0⤋

First you have to multiply:
2x-5=5x-2
2x-5x=-2+5
-3x=3
x=-1

2007-11-05 17:13:05 · answer #4 · answered by YamiRob 2 · 0⤊ 0⤋

NO! one is 20% the other 30% i think? (-)

2007-11-05 17:12:12 · answer #5 · answered by ? 7 · 0⤊ 0⤋