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Solve for a. 20=-10-(1)/(3)a Answer: a=

Solve for a a .\newline20=−10−13a 20=-10-\frac{1}{3} a \newlineAnswer: a= a=

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Full solution

Q. Solve for a a .\newline20=−10−13a 20=-10-\frac{1}{3} a \newlineAnswer: a= a=
  1. Isolate variable term: Isolate the term containing the variable aa. To do this, we need to move the −10-10 to the other side of the equation by adding 1010 to both sides. 20+10=−10+10−13a20 + 10 = -10 + 10 - \frac{1}{3}a 30=−13a30 = - \frac{1}{3}a
  2. Multiply by −3-3: Multiply both sides of the equation by −3-3 to solve for aa.−3×30=(−3)×−(13)a-3 \times 30 = (-3) \times -\left(\frac{1}{3}\right)a−90=a-90 = a

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