viviansilva viviansilva

12-12-2020
Mathematics

contestada

Solve for X.
Anyone plz help me asap!

Solve for X Anyone plz help me asap class=

Respuesta :

akposevictor akposevictor

17-12-2020

Answer:

x = 9

Step-by-step explanation:

According to the midsegment theorem,

HG = ½(QS)

Thus:

21 + 2x = ½(2x + 24)

Multiply both sides by 2

2(21 + 2x) = 2x + 24

42 + 4x = 2x + 24

Collect like terms

42 - 24 = 2x - 4x

-18 = -2x

Divide both sides by -2

9 = x

x = 9

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