y-3=7/2(x-21)

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Solution for y-3=7/2(x-21) equation: 


x in (-oo:+oo)

y-3 = (7/2)*(x-21) // - (7/2)*(x-21)

y-((7/2)*(x-21))-3 = 0

(-7/2)*(x-21)+y-3 = 0

y-7/2*(x-21)-3 = 0

y-7/2*(x-21)-3 = 0

y-7/2*x-3+147/2 = 0

y-7/2*x+141/2 = 0

y-7/2*x+141/2 = 0

y-7/2*x+141/2 = 0 // - y+141/2

-7/2*x = -(y+141/2) // : -7/2

x = (-(y+141/2))/(-7/2)

x = 2/7*(y+141/2)

x = 2/7*(y+141/2)

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