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Sagot :
Answer:2
Step-by-step explanation:
(2x+5)/3 = 3/2
Multiply both sides by 3:
2x + 5 = 9/2
Subtract 5 from both sides:
2x = 9/2 - 5 = 9/2 - 10/2 = 3/2
Divide both sides by :
x = 3/4
Answer:
-1/3
Step-by-step explanation:
A number x is multiplied by 2, then has 3 added to it, then is divided by x+5, and the answer is 3 halves.
Or, as an equation:
[tex] \frac{2x + 3}{x + 5} = \frac{3}{2} [/tex]
Let's cross multiply:
[tex]4(2x + 3) = 2(x + 5)[/tex]
Expand:
[tex]8x + 12 = 2x + 10[/tex]
Now solve:
[tex]6x + 12 = 10[/tex]
[tex]6x = -2[/tex]
[tex]x = \frac{-1}{3} [/tex]
So the answer is -1/3
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