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kirill115 [55]
4 years ago
13

Please help. What is the value of x in the proportion 2x+7/3x-4=11/2

Mathematics
2 answers:
spin [16.1K]4 years ago
7 0
2x + 7x/3 - 4 = 11/2

Add both sides by 4, 
2x + 7x/3 = 11/2 + 4

Take LCM on both sides, 
6x+7x / 3 = 11+8 / 2
13x / 3 = 19/2

Now, Cross-Multiply them:
2(13x) = 3(19)
26x = 57
x = 57/26

In short, Your Answer would be 57/26

Hope this helps!
Sphinxa [80]4 years ago
3 0
2x+7/3x−4=11/2

<span><span><span><span>2x</span>+<span><span>7/3</span>x</span></span>−4</span>=<span>11/2</span></span>
<span><span><span><span>13/3</span>x</span>−4</span>=<span>11/2</span></span>
<span><span><span><span><span>133</span>x</span>−4</span>+4</span>=<span><span>11/2</span>+4</span></span><span><span><span>
13/3</span>x</span>=<span>19/2</span></span>
<span><span><span>(<span>3/13</span>)</span>*<span>(<span><span>13/3</span>x</span>)</span></span>=<span><span>(<span>3/13</span>)</span>*<span>(<span>19/2</span>)</span></span></span><span>
x=<span>57/<span>26 = 2.41

Hoped I helped!</span></span></span>
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