chino74 chino74
  • 29-10-2018
  • Mathematics
contestada

Solve each equation.check your solution 8+ 5r=-27

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Аноним Аноним
  • 29-10-2018

Start with

[tex] 8+ 5r=-27 [/tex]

Subtract 8 from both sides:

[tex] 5r = -27-8 = -35 [/tex]

Divide both sides by 5:

[tex] r = -7 [/tex]

Let's check the solution, plugging [tex]r=7[/tex] into the equation:

[tex] 8+5r=-27 \iff 8+5\cdot(-7)=-27 \iff 8-35 = -27 [/tex]

which is true.

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