7(3w+9)=231

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Solution for 7(3w+9)=231 equation: 


w in (-oo:+oo)

7*(3*w+9) = 231 // - 231

7*(3*w+9)-231 = 0

7*(3*w+9)-231 = 0

21*w-168 = 0

21*w-168 = 0

21*w-168 = 0 // + 168

21*w = 168 // : 21

w = 168/21

w = 8

w = 8

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