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06-01-2017
SAT

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17=3+8x what is the value of 4×+9

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06-01-2017

17=3+8x
14=8x
1.75=x

plug in 1.75 to x in 4x+9

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06-01-2017

17 = 3 + 8x
-3 -3
--------------
14 = 8x
--- ---
8 8

1.75 = x

x = 1.75

Then you plug in 1.75....

4(1.75) + 9 = 16

The answer is 16

Answer Link

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