10(3x+1)=2(10x-5)....x=?

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2007-06-06 08:36:19 · 4 answers · asked by Amy M 5 in Science & Mathematics ➔ Mathematics

30x + 10 = 20x - 10
10x = - 20
x = - 2

2007-06-06 08:41:21 · answer #1 · answered by Como 7 · 0⤊ 0⤋

(10 x 3x) + (10 x 1) = (2 x 10x) - (2 x -5)

30x + 10 = 20x - 10

30x - 20x = -10 + -10

10x = -20

x = -20 / 10

x = -2

2007-06-06 08:53:51 · answer #2 · answered by Anonymous · 0⤊ 0⤋

30x +10=20x-10
30x-20x= -10-10
10x= -20
x = -20/10
x= -2

2007-06-06 08:43:17 · answer #3 · answered by vishal s 2 · 0⤊ 0⤋

30x + 10 = 20x - 10
10x = - 20
x = - 2

2007-06-06 10:57:55 · answer #4 · answered by UNIQUE 3 · 0⤊ 0⤋