How do you solve $16-2.4x=-8$ ?

Question

1937 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-03-16T10:53:45

$x=10$

$16-2.4x=-8$

Move $-8$ to the left and $-2.4x$ to the right.
$16+8=2.4x$
$24=2.4x$
$x=10$

Answer 2 · 2017-03-16T12:43:10

$x=10$

$16-2.4x=-8$

$-2.4x=-8-16$

$-2.4x=-24$

multiply L.H.S. and R.H.S. by $color(red)(-1$

$2.4x=24$

$x=cancel24^color(red)10/cancel2.4^color(red)1$

$x=10$

substitute $color(red)(x=10$

$16-2.4(color(red)10)=-8$

$16-24=-8$

$-8=-8$

How do you solve 16-2.4x=-816-2.4x=-8?