1/5(15y+15)-7=-1/7(7y-28)

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Solution for 1/5(15y+15)-7=-1/7(7y-28) equation: 


y in (-oo:+oo)

(1/5)*(15*y+15)-7 = (-1/7)*(7*y-28) // - (-1/7)*(7*y-28)

(1/5)*(15*y+15)-((-1/7)*(7*y-28))-7 = 0

(1/5)*(15*y+15)+(1/7)*(7*y-28)-7 = 0

1/5*(15*y+15)+1/7*(7*y-28)-7 = 0

1/5*(15*y+15)+1/7*(7*y-28)-7 = 0

4*y-7-1 = 0

4*y-8 = 0

4*y-8 = 0

4*y-8 = 0 // + 8

4*y = 8 // : 4

y = 8/4

y = 2

y = 2

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