It is: (5*10)-25 = 25
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The question is not quite clear, do you mean -6x+3y = -18 and -10+5y = -30? If so then the solution is: -10+5y= -30 5y = -30+10 5y = -20 y = -4 Substitute the value of y into the equation -6x+3y = -18: Answer: x = 1 and y = -4
2 + 3 / 5y = 25 / 5y = 2(x both sides by 5y)5 = 10y(divide both sides by 10)0.5 = yy = 0.5Check...5/(5 x 0.5) = 25/2.5 = 2
5y+8=7y subtract 5y from each side , 5y+8=7y -5y -5y 8=2y /2 /2 4=y
If 5y = 4 then y = 4/5 or 0.8
2x-5y = -10 -5y = -2x-10 y = 2/5x+2 which is in slope intercept form