Question

RESOLVA A EQAÇAO
X+(X+500)+2(X+500)=7800

Answer 1

X+(X+500)+2(X+500)=7800

x + x + 500 + 2x + 1000 =7800

4x = 7800 - 1500

4x = 6300

x = 6300 /4

x =1575