12(1/4x+2/3y)=12(-7/4)

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Solution for 12(1/4x+2/3y)=12(-7/4) equation: 


x in (-oo:+oo)

12*((1/4)*x+(2/3)*y) = 12*(-7/4) // - 12*(-7/4)

12*((1/4)*x+(2/3)*y)-(12*(-7/4)) = 0

12*((1/4)*x+(2/3)*y)+21 = 0

12*(1/4*x+2/3*y)+21 = 0

12*(1/4*x+2/3*y)+21 = 0

3*x+8*y+21 = 0

3*x+8*y+21 = 0

3*x+8*y+21 = 0 // - 8*y+21

3*x = -(8*y+21) // : 3

x = (-(8*y+21))/3

x = (-(8*y+21))/3

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