anulugwodonald22
anulugwodonald22 anulugwodonald22
  • 03-06-2020
  • Mathematics
contestada

x/a+x/b=1
make x the subject of the formular​

Respuesta :

jimrgrant1 jimrgrant1
  • 03-06-2020

Answer:

x = [tex]\frac{ab}{b+a}[/tex]

Step-by-step explanation:

Given

[tex]\frac{x}{a}[/tex] + [tex]\frac{x}{b}[/tex] = 1

Multiply through by ab to clear the fractions

bx + ax = ab ← factor out x from each term on the left side

x(b + a) = ab ← divide both sides by (b + a)

x = [tex]\frac{ab}{b+a}[/tex]

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