1/2(5+7x)=3/4

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Solution for 1/2(5+7x)=3/4 equation: 


x in (-oo:+oo)

(1/2)*(7*x+5) = 3/4 // - 3/4

(1/2)*(7*x+5)-(3/4) = 0

(1/2)*(7*x+5)-3/4 = 0

1/2*(7*x+5)-3/4 = 0

(1/2*4*(7*x+5))/4-3/4 = 0

1/2*4*(7*x+5)-3 = 0

14*x+7 = 0

(14*x+7)/4 = 0

(14*x+7)/4 = 0 // * 4

14*x+7 = 0

14*x+7 = 0 // - 7

14*x = -7 // : 14

x = -7/14

x = -1/2

x = -1/2

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