Explicación paso a paso:
5(x+5) = 2x+40
5x + 25 = 2x +40
5x - 2x = 40-25
3x = 15
x = 15/3
x = 5
Comprobando:
5(5+5)=2(5)+40
5(10) = 10+40
50= 50
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Explicación paso a paso:
5(x+5) = 2x+40
5x + 25 = 2x +40
5x - 2x = 40-25
3x = 15
x = 15/3
x = 5
Comprobando:
5(x+5) = 2x+40
5(5+5)=2(5)+40
5(10) = 10+40
50= 50