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Mathematics
Martha Riggs
11 September, 04:02
Lesson 2-3
21. 6 - 2 (x + 6) = 3x + 4
+3
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Myles Richardson
11 September, 05:58
0
Step by step:
6 - 2 (x + 6) = 3x + 4
6 - 2x - 12 = 3x + 4
6 - 12 = 5x + 4
-6 = 5x + 4
-10 = 5x
-2 = x
So, x = - 2
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» Lesson 2-3 21. 6 - 2 (x + 6) = 3x + 4
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