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Mathematics
Louis Watson
10 November, 17:26
How do you solve this equation? 1/3|6x+5|=7
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Brown Sugar
10 November, 19:55
0
|6x + 5| = 7 · 3
|6x + 5| = 21
6x + 5 = 21 (1st equation)
-6x + 5 = 21
(1st equation)
6x = 21 - 5
6x = 16
x = 8/3
(2nd equation)
-6x - 5 = 21
-6x = 21 + 5
-6x = 26
x = - 13/3
so all of the solutions are;
x = - 13/3, 8/3
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