ewindham32ov6z1j ewindham32ov6z1j

21-02-2018
Mathematics

contestada

Solve for x.

X = ____?

Solve for x X class=

Respuesta :

jcherry99 jcherry99

21-02-2018

Set up a proportion
EA / EB = ED/ EC
16 / (5x + 2 + 16) = 12 / (12 + 24)
16/(5x + 18) = 12 / 36 Cross multiply
16 * 36 = (4x + 18)*12 Remove the brackets
576 = 48x + 216 Subtract 216 from both sides.
360 = 48x Divide by 48
360/48 = x
7.5 = x

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