math solving inequalities using addition and subtraction.

teacher broke it down as far as she could one homework problem is y-1/2 is less than or equal to -5

Answers
we have to treat this like a normal equation where y-1/2= -5
chloe
01 December 2011
y - 1/2
chloe
01 December 2011
This gives us y-1/2 +1/2 = -5 +1/2
chloe
01 December 2011
To do that we add 1/2 to both sides of the equation
chloe
01 December 2011
what we want to do is get the y on its own so in order to do that we have to get the -1/2 on to the right hand side
chloe
01 December 2011
so the final answer is y= -4.5 which we then simplify to y is less than or equal to -4.5
chloe
01 December 2011
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