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Exercise

$0.8a+3.1b=-2$

Step-by-step Solution

1

We need to isolate the dependent variable $a$, we can do that by simultaneously subtracting $3.1b$ from both sides of the equation

$0.8a=-2-3.1b$
2

Divide both sides of the equation by $0.8$

$\frac{0.8a}{0.8}=\frac{-2-3.1b}{0.8}$
3

Simplify the fraction $\frac{0.8a}{0.8}$ by $0.8$

$a=\frac{-2-3.1b}{0.8}$

Final answer to the exercise

$a=\frac{-2-3.1b}{0.8}$

Try other ways to solve this exercise

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  • Solve for a
  • Solve for b
  • Find the derivative using the definition
  • Solve by quadratic formula (general formula)
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  • Find the integral
  • Find the derivative
  • Factor
  • Factor by completing the square
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