Question

if 2x+5=8 then the value of x


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Answer 1

Answer:

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Step-by-step explanation:

2x+5=8

2x=8-5

2x=3

x=3/2

Answer 2

SOLUTION

GIVEN

2x + 5 = 8

TO DETERMINE

The value of x

EVALUATION

Here the given equation is

2x + 5 = 8

We solve for x as below :

$\displaystyle \sf{ \implies \: 2x = 8 - 5}$

$\displaystyle \sf{ \implies \: 2x = 3}$

$\displaystyle \sf{ \implies \: x = \frac{3}{2} }$

Hence the required solution is

$\displaystyle \sf{ \: x = \frac{3}{2} }$

VERIFICATION :

The given equation is 2x + 5 = 8

Putting

$\displaystyle \sf{ x = \frac{3}{2} }$

We get

$\displaystyle \sf{ (2 \times \frac{3}{2} ) + 5 = 8}$

$\displaystyle \sf{ \implies \: 3 + 5 = 8 }$

$\displaystyle \sf{ \implies \:8 = 8 }$

Hence verified

FINAL ANSWER

Hence the required solution is

$\displaystyle \sf{ \: x = \frac{3}{2} }$

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