Question

Solve the equation for x: 3x – 17 = 9x + 7 A x = 4 B x = –4 C x = 610610 D x = −610

Answer 1

Subtract 9x from both sides: 
$3x-17-9x=9x+7-9x$
Now we have: 
$-6x-17=7$

Add 17 to both sides: 
$-6x-17+17=7+17$

Now we have:
$-6x=24$

Divide both sides by -6 to isolate x: 
x=-4