X+4/3x=21

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Solution for X+4/3x=21 equation: 


x in (-oo:+oo)

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

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

X+4/3*x-21 = 0 // - X-21

4/3*x = -(X-21) // : 4/3

x = (-(X-21))/4/3

x = 3/4*(21-X)

x = 3/4*(21-X)

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