3/4(2x-7)+1/2x=-9

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Solution for 3/4(2x-7)+1/2x=-9 equation: 


x in (-oo:+oo)

(3/4)*(2*x-7)+(1/2)*x = -9 // + 9

(3/4)*(2*x-7)+(1/2)*x+9 = 0

3/4*(2*x-7)+x/2+9 = 0

(3/4*2*(2*x-7))/2+x/2+(2*9)/2 = 0

3/4*2*(2*x-7)+x+2*9 = 0

4*x-21/2+18 = 0

4*x+15/2 = 0

(4*x+15/2)/2 = 0

(4*x+15/2)/2 = 0 // * 2

4*x+15/2 = 0

4*x+15/2 = 0 // - 15/2

4*x = -15/2 // : 4

x = -15/2/4

x = -15/8

x = -15/8

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