gnaohruiz05 gnaohruiz05
  • 07-09-2017
  • Mathematics
contestada

if x-5(x-7)=-7 then x equals what?

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DeathTheKid101 DeathTheKid101
  • 07-09-2017
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simplify x - 5x + 35 to -4x + 35

subtract 35 from both sides

simplify -7 - 35 to -42

divide both sides by -4

two negatives make a positive

simplify 42/4 to 21/2

Answer: x = 21/2.
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