Math13657 Math13657
  • 10-10-2021
  • Mathematics
contestada

If 1040-x=3y and x-880=y what is y
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19gmeist
19gmeist 19gmeist
  • 10-10-2021
I got the answer Y=920
Ver imagen 19gmeist
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hnori22003
hnori22003 hnori22003
  • 10-10-2021

y = x - 880 ==》 x = y + 880 ( ☆ )

_________________________

3y = 1040 - x =☆=》 3y = 1040 - ( y + 880 )

====》 3y = 1040 - y - 880

====》 3y + y = 1040 - 880

====》 4y = 160

====》 y = 160 ÷ 4

====》 y = 40

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