joli2020
joli2020
03-10-2017
Mathematics
contestada
Please help me on this question
Respuesta :
jbnaj
jbnaj
03-10-2017
Multiply both side by 9
x-y=9M
add x to both sides
-y = 9M+x
divide by negative one to change the -y to y
y = -9M-x
Answer is y = -9M-x
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