SOLUTION: (7)/(10) = (3)/(x+1) 10(a+1)-14a= 9-(4a-1)

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: (7)/(10) = (3)/(x+1) 10(a+1)-14a= 9-(4a-1)      Log On


   

Question 695447: (7)/(10) = (3)/(x+1)
10(a+1)-14a= 9-(4a-1)
Answer by ReadingBoosters(3246) About Me  (Show Source):
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Cross Multiply
7%2F10+=+3%2F%28x%2B1%29
7(x+1) = 3(10) ==> distribute the 7
7x + 7 = 30
7x = 30 - 7
7x = 23
highlight_green%28x=23%2F7%29
...
Distribute the 10 and the negative
10a + 10 - 14a = 9 - 4a + 1
-4a + 10 = 10 - 4a
-4a + 4a = 10 - 10
0 = 0
a can be any real number
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