leecopping90 leecopping90
  • 20-04-2019
  • Mathematics
contestada

Guys, please help me out. Thanks.

Guys please help me out Thanks class=

Respuesta :

jimrgrant1 jimrgrant1
  • 20-04-2019

Answer:

w = 13

Step-by-step explanation:

Using the method of cross- multiplying

• [tex]\frac{a}{b}[/tex] = [tex]\frac{c}{d}[/tex] ⇒ ad = bc, thus

42(w + 11) = 28(w + 23) ← distribute parenthesis on both sides

42w + 462 = 28w + 644 ( subtract 28w from both sides )

14w + 462 = 644 ( subtract 462 from both sides )

14w = 182 ( divide both sides by 14 )

w = 13

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