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slega [8]
3 years ago
8

Please help I will brainliest!! Really urgent!!

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
6 0

Answer:

\frac{5}{6}x-10

Step-by-step explanation:

(\frac{1}{3}x-8)+(\frac{1}{2}x-2) = \frac{1}{3}x-8+\frac{1}{2}x-2

\frac{1}{3}x-8+\frac{1}{2}x-2 = \frac{1}{3}x+\frac{1}{2}x-10

If you -8 then -2, you are subtracting 10 from the equation in total.

\frac{1}{3}x+\frac{1}{2}x-10 = \frac{2}{6}x+\frac{3}{6}x-10

To make the denominator the same, I will multiply the first fraction by 2 and the second fraction by 3 so that their denominators are 6.

\frac{2}{6}x+\frac{3}{6}x-10 = \frac{5}{6}x-10

Once the denominators are the same, you can do the working for the numerators directly (2+3=5) and keep the denominator the same.

Xelga [282]3 years ago
3 0

Answer:    \frac{5}{6}x-10

==============================

Work Shown:

\left(\frac{1}{3}x-8\right)+\left(\frac{1}{2}x-2\right)\\\\\frac{1}{3}x-8+\frac{1}{2}x-2\\\\\left(\frac{1}{3}x+\frac{1}{2}x\right)+(-8-2)\\\\\left(\frac{1}{3}+\frac{1}{2}\right)x-10\\\\\left(\frac{2}{6}+\frac{3}{6}\right)x-10\\\\\frac{2+3}{6}x-10\\\\\frac{5}{6}x-10\\\\

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Step-by-step explanation:

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3 years ago
The length of a photograph is 3cm less than twice the width. The area is 54cm². Find the dimentions of the photograph.
AnnyKZ [126]
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