11 December, 12:17
Which equation is true for the value x = 15?
2 (x + 3) = 40
2 (x - 5) = 30
2 (x + 5) = 40
x + 2x = 30
3x - x = 45
11 December, 12:36
The third one because 2 (15+5) = 2 (20) = 40
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» Which equation is true for the value x = 15? 2 (x + 3) = 40 2 (x - 5) = 30 2 (x + 5) = 40 x + 2x = 30 3x - x = 45