brianjr227
QUICK HELP!
Using trapezoid GHIJ, solve for x.
3
4
8
9



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brianjr227
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@warningiflirt almost done!

Zale101
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First, add the two bases and then divide by 2.

Zale101
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dw:1375133690041:dw

Zale101
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Can you do that?

brianjr227
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4x2/2 now?

brianjr227
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@Zale101

Zale101
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2[4x2/2] =
multiply 2 by each side

brianjr227
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8?? @Zale101 or did i do something wrong

warningiflirt
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h(x+4+17)=h(17+3x−2)
x+4=3x−2
x+4=3x−2
x−3x=−4−2
−2x=−6
x=3

brianjr227
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oh okay so i input the wrong numbers but i see now :)

warningiflirt
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nice try though :)

Zale101
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((x+4)+(3x2))/2 = 17
(4x+2)/2 = 17
4x+2 = 17*2
4x+2 = 34
sorry for the late reply

Zale101
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4x2/2 this was wrong sorry

Zale101
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4x = 342
4x = 32
x = 32/4
x = 8

Zale101
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8 was the right answer :)