1- 4 (x+4) = x ??????????

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i am not very good at math so i was wondering if you could explain this??

2007-05-23 12:36:20 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1-4x-16=x
-4x-15=x
-4x-15+4x=x+4x
-15=5x
X = -3

2007-05-23 12:40:42 · answer #1 · answered by JSpielfogel 3 · 0⤊ 0⤋

1-4x-16=x
-4x-x=15
-5x=15
x= -3

2007-05-23 12:41:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋

1-4x-16=x
-4x-15=x
-4x-15+4x=x+4x
-15=5x
-3=x

2007-05-23 12:41:28 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋