act Math assist » Algebra » Algebraic fountain » how to fix for a change as part of a fraction

Solve for

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.

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Explanation:

Solve for x:

*

Step 1: discover the least common denominator,

*
, and readjust the fountain accordingly:

*

*

Solve for

*
:

*

*

*

*

 


The numerator of a portion is the amount of 4 and also 5 times the denominator. If you divide the portion by 2, the numerator is 3 times the denominator. Discover the streamlined version the the fraction.


Explanation:

Let molecule = N and also denominator = D.

According to the very first statement, 

N = (D x 5) + 4.

According come the second statement, N / 2 = 3 * D. 

Let"s main point the 2nd equation by –2 and add itthe very first equation:

–N = –6D

+

=

–6D + (D x 5) + 4 = 0

–1D + 4 = 0

D = 4

Thus, N = 24.

Therefore, N/D = 24/4 = 6.


Explanation:

To deal with this equation we need to multiply both political parties by the denominator to remove the fraction.

Doing this yields

*
 

Then to settle the last step is to isolate the variable by splitting both sides by 12.Thus, 

*
.


Explanation:

To fix an equation with a change in a fraciton, treat the denominator together a constant value and multiply both sides of the equation through the denominator in stimulate to eliminate it.

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