SOLUTION: What is the answer to: 8(a-2) is less than or equal to 10(a+2) ? Also, please justify it ? Thanks! -Katie
Algebra.Com
Question 709017: What is the answer to: 8(a-2) is less than or equal to 10(a+2) ? Also, please justify it ? Thanks! -Katie
Answer by josgarithmetic(39799) (Show Source): You can put this solution on YOUR website!
"is less than or equal to", is written with arrow pointing leftward and a segment under it.
Like this: AMP Parsing Error of [<=]: Invalid expression '<=': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 203.
.
That did not work because the algebra.com system requires left hand and right hand members, so I will pick an m and an n for those as examples only;
"m is less than or equal to n": .
Your question would translate into .
The best way to start that is divide by 2, and then subtract the member of one side from both sides. Take your pick; it does not matter, just that you want to avoid multiplying by the variable binomial if avoiding it is possible. Actually you can take care of all the multiplying according to distributive property first, which is what I will do here:
, used distributive property
, use inverses to get all constants to one side, variable on other side
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