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Adrienne Gill
Mathematics
24 July, 20:22
How do you solve and check it
-5 - 5y = 0
y=8x
+3
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Eifel
24 July, 20:26
0
-5-5y=0
y=8x
substitute the value of y
-5-5 (8x) = 0
-5-40x=0
add 5 to both sides.
-40x=5
divide both sides by - 40
x=-5/40
simplify gcf=5
x=-1/8
checking:
Y=8x
y=8 (-1/8)
y=-1
Substitute it to the 1st equation
-5-5 (-1) = 0
-5+5=0
0=0
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