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Addyson Burke
Mathematics
16 December, 08:52
Solve the equation - 2/3x - 3/4x = 5/6.
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Kamron Martinez
16 December, 09:01
0
common denumerator is 12
-8/12x-9/12x=10/12
-17/12x=10/12 <
-17x=10
x=-0.59
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Princess Austin
16 December, 09:19
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-2/3x - 3/4x = 5/6.
Find the common denominator for - 2/3x and - 3/4x. The common denominator is 12.
Multiply by 4 for - 2/3x. (-2) (4) / 3 (4) x=-8/12x
Multiply by 3 for - 3/4x. (-3) (3) / 4 (3) x=-9/12x
-8/12x-9/12x=5/6
-17/12x=5/6
Multiply both sides by - 12/17
(-17/12x) (-12/17) = 5/6 (-12/17)
Cross out - 17 and 17, divide by 17. Then becomes 1.
Cross out - 12 and - 12, divide by - 12. Then becomes 1.
1*1*x=x
Cross out 6 and - 12, divide by 6. 6/-6=1, - 12/6=-2
5*-2/17=-10/17
Answer: - 10/17
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