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What is the first mistake that was made? - 10x + 14 - 2x = 2( -3x - 2) -10x + 14 - 2x = -6x - 4 -10x - 2x + 14 = -6x - 4 -12x + 14 = -6x - 4 +6x. +6x 6x + 14 = - 4 - 14 - 14 6x …

What is the first mistake that was made? - 10x + 14 - 2x = 2( -3x - 2) -10x + 14 - 2x = -6x - 4 -10x - 2x + 14 = -6x - 4 -12x + 14 = -6x - 4 +6x. +6x 6x + 14 = - 4 - 14 - 14 6x …
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1 vote
What is the first mistake that was made? - 10x + 14 - 2x = 2( -3x - 2)

-10x + 14 - 2x = -6x - 4
-10x - 2x + 14 = -6x - 4
-12x + 14 = -6x - 4
+6x. +6x
6x + 14 = - 4
- 14 - 14
6x = - 18
6 6x
X = -3

User Scott Staniewicz
by
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1 Answer

2 votes
The first mistake was in the 6x + 14 = -4 Line as -12x + 6x is -6x and not 6x.
User Vimdude
by
7.6k points
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