1/2(7x+8)=-55/2

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Solution for 1/2(7x+8)=-55/2 equation: 


x in (-oo:+oo)

(1/2)*(7*x+8) = -55/2 // + -55/2

(1/2)*(7*x+8)-(-55/2) = 0

(1/2)*(7*x+8)+55/2 = 0

1/2*(7*x+8)+55/2 = 0

(1/2*2*(7*x+8))/2+55/2 = 0

1/2*2*(7*x+8)+55 = 0

7*x+63 = 0

(7*x+63)/2 = 0

(7*x+63)/2 = 0 // * 2

7*x+63 = 0

7*x+63 = 0 // - 63

7*x = -63 // : 7

x = -63/7

x = -9

x = -9

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