Fraction equations
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Look what stress does. I submitted the wrong problems to you for help. Please help me with the following 18 problems - I submitted the incorrect problems.
#17)
2x + 3
--------
x^2 - 16
#33)
w^2 - 49
---------
w + 7
#77)
2x^12
-------
4x^3
#87)
-2x - 4
-----------
x^2 - 5x +6
#21)
2x + 2y . 15
------- -------
7 6X + 6y
#67)
a^3b^4 . a^5b^7
------ ------
-2ab ab
#73)
a^2 - 2a + 4 . (a + 2)^3
------------ ---------
a^2 - 4 2a + 4
#17)
-9z = ?
--- -----
2aw 8awz
#63)
4 , 5
----- ------
a - 6 6 - a
#9)
1 - 5
-- --
6 6
#27)
q - 1 - 3q - 9
----- ------
q - 4 q - 4
#37)
m + m
--
5
#53)
2 1
----- + ------
a - b a + b
#59)
4 + 4
----- -----
a - b b - a
#43)
1/2 + 1/4x
----------
x/3 - 1/12x
#27)
x = 5
-- -----
2 x + 3
#39)
1 + 3y = 6
--- ------
y -2 y - 2
#47)
5 = 5
--- ---
x 5
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Solution Summary
This provides several examples of solving equations with fractions.
Solution Preview
Algebra - College Mathematics
===============================================================
#17)
2x + 3 (2x+3)/[(x+4)(x-4)]
-------- =
x^2 - 16
====================================
#33)
w^2 - 49
--------- = (w+7)(w-7)/(w+7) = w-7
w + 7
=========================================
#77)
2x^12
------- = x^9/2
4x^3
============================
#87)
-2x - 4
----------- = -2(x+2)/[(x-2)(x-3)]
x^2 - 5x +6
========================================
#21)
2x + 2y . 15
------- ------- = 30(x+y)/[42(x+y)] = 5/7
7 6X + 6y ...
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