1/2(5x+9)=7x

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Solution for 1/2(5x+9)=7x equation: 


x in (-oo:+oo)

(1/2)*(5*x+9) = 7*x // - 7*x

(1/2)*(5*x+9)-(7*x) = 0

(1/2)*(5*x+9)-7*x = 0

1/2*(5*x+9)-7*x = 0

1/2*(5*x+9)-7*x = 0

9/2-9/2*x = 0

9/2-9/2*x = 0

9/2-9/2*x = 0 // - 9/2

-9/2*x = -9/2 // : -9/2

x = -9/2/(-9/2)

x = 1

x = 1

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