August 2018 1 12 Report

De coeficientes enteros con uso de parentesis:

2...15x – 10 = 6x – (x + 2) + (-x + 3)
4....30x – (-x + 6) + (-5x + 4) = -(5x + 6) + (-8 + 3x)
6.....3x + [-5x – (x + 3)] = 8x + (-5x – 9)
8......x – [5 + 3x – {5x – (6 + x)}] = -3
10....71 + [-5x + (-2x + 3) = 25 – [-(3x + 4) – (4x + 3)]

Por favor rapido



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