Πx+3y=25, write y in terms of x and also find the two solutions of this equation
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πx+3y =25
22/7 x+3y =25
22x +21y = 25*7
22x +21y =175
21y = 175 -22x
y =(175-22x)/21 ----(1)
1) if x=0
y= 175/21
one solution = (0, 175/21)
2)if x= 5
y = (175 - 22*5)/21
y = (175-110)/21
y= 65/21
second solution = (5, 65/21)
22/7 x+3y =25
22x +21y = 25*7
22x +21y =175
21y = 175 -22x
y =(175-22x)/21 ----(1)
1) if x=0
y= 175/21
one solution = (0, 175/21)
2)if x= 5
y = (175 - 22*5)/21
y = (175-110)/21
y= 65/21
second solution = (5, 65/21)
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