4+3(x+6)/4=21

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Solution for 4+3(x+6)/4=21 equation: 


x in (-oo:+oo)

(3*(x+6))/4+4 = 21 // - 21

(3*(x+6))/4-21+4 = 0

(3*(x+6))/4+(-21*4)/4+(4^2)/4 = 0

3*(x+6)-21*4+16 = 0

3*x-66+16 = 0

3*x-50 = 0

(3*x-50)/4 = 0

(3*x-50)/4 = 0 // * 4

3*x-50 = 0

3*x-50 = 0 // + 50

3*x = 50 // : 3

x = 50/3

x = 50/3

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