Question

question
solve for ( x ):
( 7x - 3 = 9x - 21 )
answer attempt 1 out of 2
( x = )

Explanation:

Step1: Move x terms to left side

$7x - 9x - 3 = -21$

Step2: Simplify left side x terms

$-2x - 3 = -21$

Step3: Move constant to right side

$-2x = -21 + 3$

Step4: Simplify right side constants

$-2x = -18$

Step5: Solve for x by dividing

$x = \frac{-18}{-2}$

Answer:

$x = 9$