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olchik [2.2K]
3 years ago
9

What’s is 2x-9=3x+10

Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0
2x-9=3x+10
-1x-9=10
-1x=19
X=-19
Over [174]3 years ago
5 0
-9=x+10
-19=x

The answer is -19
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<em><u>Explanation</u></em>

The given proportions are.....

x: 1\frac{2}{3}=y: 3\frac{1}{3} and y:1.5=0.2:0.75

From the second proportion, we will get....

y:1.5=0.2:0.75\\ \\ \frac{y}{1.5}=\frac{0.2}{0.75} \\ \\ 0.75y=0.2*1.5\\ \\ 0.75y=0.3\\ \\ y=\frac{0.3}{0.75}=0.4

Now, we will plug this y=0.4 into the first proportion. So we will get....

x: 1\frac{2}{3}=y: 3\frac{1}{3}\\ \\ x: \frac{5}{3}=0.4:\frac{10}{3} \\ \\ \frac{x}{\frac{5}{3}}= \frac{0.4}{\frac{10}{3}}\\ \\ \frac{3x}{5}=\frac{1.2}{10}\\ \\ 30x=6\\ \\ x= \frac{6}{30}=0.2

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What fraction is 2kg over 275g
irina1246 [14]
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qwelly [4]

Given:

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