kylaprimus1411 kylaprimus1411

25-10-2017
Mathematics

contestada

What is the value of x, when -25(x - 4) = -55(x - 10)?
A) x = 5
B) x = -5
C) x = 81
8

D) x = 15

Respuesta :

30-07-2018

[tex] -25(x - 4) = -55(x - 10)\\\\-25x+100=-55x+550\ \ \ |-100\\\\-25x=-55x+450\ \ \ \ |+55x\\\\30x=450\ \ \ |:30\\\\x=15 [/tex]

Answer: D) x = 15

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