Question

Solve the equation : -7 + 3x -9x = 12x -5.​

Answer 1

Step-by-step explanation:

-7 + 3x -9x = 12x -5.

-7 -6x =12x-5

-7+5=12x+6x

-2=18x

x=-2/18

x= -1/9

Answer 2

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Question :

Solve the equation :

✒ -7+3x-9x=12x -5

To find :

➡ the value of X =?

Solution

$\implies \sf \: - 7 + 3x - 9x = 12x - 5$

$\\ \implies \sf \: - 7 - 6x =12x - 5$

$\\ \implies \sf \: - 7 - 6x - 12x + 5 = 0$

$\\ \implies \sf \: - 7 - 18x + 5 = 0$

$\\ \implies \sf \: \: - 7 + 5 - 18x = 0$

$\\ \implies \sf \: - 2 - 18x = 0$

$\\ \: \: \: \implies \sf \: 18x = - 2$

$\: \: \\ \implies \sf \: x = \frac{ - 2}{18} = \boxed{ \frac{ - 1}{9} }$

$\large\therefore \red{ \bf{ the \: value \: of \: x \: is \: \boxed{\blue{\frac{ - 1}{9} }}}}$