Mathegoras

Algebra › Rational equations › Equations with reciprocals

Finding a parameter from a known root

Middle school · ●○○○○ 10 pts

If the solution of the equation 310a+2x+42=4(x−1)\frac{3}{10}a+\frac{2x+4}{2}=4(x-1) is x=3x=3, find the value of aa.

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linear equationssubstitutionsolving for a parameter