Question

if 4x=28 then find value of 2x+5/7​

Answer 1

103/7 or 14.714...

Step-by-step explanation:

To find the value of x:

if 4x=28

then, x=28/4(by transferring 4 on RHS to find the value of x)

this implies that , x=7

Now to find the value of 2x+5/7 : (we need to substitute the value of x which we found)

so, 2x+5/7 = 2(7)+5/7

=》14+5/7 (here =》this symbol refers to implies )

=》14/1 + 5/7

Now its unlike fraction, so we should take least common factor i.e., LCM

we get,

98/7+5/7

Now we can add because they are like fractions and so that we can get our final answer for this particular question.

=》98+5/7 = 103/7

103/7 = 14.714...

Hence the answer is 103/7 or 14.714...

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