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7x - 15 = 5x – (4x + 3)

2006-09-26 03:04:51 · 3 answers · asked by loslonelygirl 1 in Education & Reference ➔ Homework Help

7x - 15 = 5x -4x -3
group all variables in one side and constant numbers on the other

7x - 5x + 4x = -3 + 15
6x = 12
x = 12/6 = 2

Hope it helps

2006-09-26 03:07:04 · answer #1 · answered by edsis_sg 2 · 0⤊ 0⤋

7x-5x+4x=15-3; 11x-5x=12; 6x=12; x=2

2006-09-26 10:09:02 · answer #2 · answered by Anonymous · 0⤊ 0⤋

7x-15+5x-(4x+3)
-4x -4x

3x-15+5x=3
-3x -3x

-15+2x=3
15 15

2x=18
2x/2 18/2

x=9

2006-09-26 10:20:23 · answer #3 · answered by †Emily† 3 · 0⤊ 0⤋