Question

if 2y- 1=5,then value of 5y+4 is
plz ​

Answer 1

Step by step
2y=5+1
Y=6/2
y=3
With the value of y
5y+4
5(3)+4
15+4
19

Answer 2

SOLUTION

GIVEN

$\displaystyle \sf{ 2y - 1 = 5 }$

TO DETERMINE

The value of 5y + 4

EVALUATION

Here it is given that

$\displaystyle \sf{2y - 1 = 5 }$

We find the value of y as below

$\displaystyle \sf{ 2y = 5 + 1 }$

$\displaystyle \sf{ \implies 2y = 6 }$

$\displaystyle \sf{ \implies y = \frac{6}{2} }$

$\displaystyle \sf{ \implies y = 3 }$

Now we have

$\displaystyle \sf{ 5y + 4}$

$\displaystyle \sf{ = ( 5 \times 3) + 4}$

$\displaystyle \sf{ = 15 + 4}$

$\displaystyle \sf{ = 19}$

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