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2 times a number decreased by seven is the same as the product of the number and 3 decreased by ten

Respuesta :

2x - 7 = 3x - 10
+10 + 10
----------------------
2x + 3 = 3x
-2x -2x
-----------------
3 = x
2(3) - 7 = 3(3) - 10
- 1 = -1

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