Question

If 2x + 4 = x - 5, then value of x is :​

Answer 1

Answer:

x = -9

Step-by-step explanation:

2x+4 = x-5

2x = x-5-4

2x - x = -9

x = -9

prove

p(x) =

2(x) +4 = x-5

p(-9) =

2(-9)+4 = -9-5

-18+4 = -14

-14 = -14

proved

hope it helps.

Answer 2

Answer:

To find:

\textsf{Value of x}Value of x

\textbf{Solution:}Solution:

\mathsf{Consider,}Consider,

\mathsf{2x+4=x-5}2x+4=x−5

x=−9

\textbf{Answer:}

Step-by-step explanation:

Find the value of x so that (3/4)^9×(3/4)^-7=(3/4)^4x

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