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Y=9x-9
Y=9
How do u solve dis ¿-¿


Sagot :

subsitute 9 for y
9=y=9x-9
add 9 to both sides
9+9=9x+9-9
18=9x+0
18=9x
divide by 9
2=x


y=9
x=2
9x-9 equals 9
9x equals 18
x equals 18/9
x equals 2
y equals 9