90-x=1/2(180-x)-8

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Solution for 90-x=1/2(180-x)-8 equation: 


x in (-oo:+oo)

90-x = (1/2)*(180-x)-8 // - (1/2)*(180-x)-8

8-((1/2)*(180-x))-x+90 = 0

(-1/2)*(180-x)-x+8+90 = 0

8-1/2*(180-x)-x+90 = 0

8-1/2*(180-x)-x+90 = 0

8-1/2*x-90+90 = 0

90-1/2*x-82 = 0

8-1/2*x = 0

8-1/2*x = 0

8-1/2*x = 0 // - 8

-1/2*x = -8 // : -1/2

x = -8/(-1/2)

x = 16

x = 16

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