SOLUTION: I get confussed with the signs. Can you please explain the steps to the following examples. x/2 + x/5=7/10 x-3/5 = 1-x/3 1.2x-2.2=5.6 2(x-4)=5/6(x+6)-6

Algebra ->  Equations -> SOLUTION: I get confussed with the signs. Can you please explain the steps to the following examples. x/2 + x/5=7/10 x-3/5 = 1-x/3 1.2x-2.2=5.6 2(x-4)=5/6(x+6)-6      Log On


   

Question 332902: I get confussed with the signs. Can you please explain the steps to the following examples.
x/2 + x/5=7/10
x-3/5 = 1-x/3
1.2x-2.2=5.6
2(x-4)=5/6(x+6)-6
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


What is confussed? Is that a cross between confused and fussy? Sorry, just curious.

If you are truly getting confused with the signs, do it this way. Never subtract. Always add the opposite.

Example:



Re-write:



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You need a lowest common denominator. 10 has factors of 2 and 5, so it looks like 10 is your LCD.







If two equal fractions have identical denominators, then the numerators must be equal as well, hence:





Sorry, that's all. One question per post is the rule.

John

My calculator said it, I believe it, that settles it