Question

Enconter x e faça a prova x+x+x+x+60+60=x+x+100+100+200​

Answer 1

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x + x + x + x + 60 + 60 = x + x + 100 + 100 + 200

4x + 120 = 2x + 400

4x - 2x = 400 - 120

2x = 280

x = 140

O valor de x é 140

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Prova

4(140) + 120 = 2(140) + 400

560 + 120 = 280 + 400

680 = 680 ✓✓✓

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Att: MarcosPCV