annonomus22 annonomus22
  • 13-01-2017
  • Mathematics
contestada

solve -7=squared2x-9

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sciencific
sciencific sciencific
  • 14-01-2017
2x-9= (-7^2)
2x-9=49
2×=49+9
2x=58
x=58/2
x=29
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