simple algebra problem?
i'm 31 years old and it has been a long time. i'm not helping a kid with his homework, this is for myself. i was good in math too. i forget which property allows me to solve this. someone just do it for me, i don't have the time to look it up. :) here is the equation:
7.5625x-.0491x= 14.4375
i know this is easy i feel kinda dumb but it has been a LONG time...
thanks guys.
fastest correct answer earns best answer. :)
Update:right! that's where i can just pull out the x and the subtract and divide. yahoo answers kicks ***.
Update 3:now this is bothering me. :) is that communative, associative, or distributive?
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Verified answer
x = 1.921566
7.5625x-.0491x= 14.4375
Add your "like" terms on the left
7.6116x = 14.4375
Divide both sides by 7.6116
7.6116x/7.6116 = 14.4375/7.6116
x = 1.896
Round to the tenths digit ... 6 is >5, round .89 to .90
x = 1.9
Hope that refreshes your memory, good luck!
7.5625x - .0491x = 14.4375
factor out X
x(7.5625-.0491) = 14.4375
x(7.5134) = 14.4375
Divide both sides by 7.5134
x = 1.9215668
7.5625x-.0491x= 14.4375_______problem
x (7.5625 - .0491) = 14.4375_____ GCF
x = 14.4375 / (7.5625 - .0491)___ Divide
x = 1.9215668006495062155615300662816 :)
7.5134x = 14.4375
Divide both sides by 7.5134
x=1.9215668006495062
Round to 1.9216
1.9215668006495062155615300662815769 :)