How do you solve -0.3x + 2.1(x - 4) < -6.6?

Apr 30, 2015

The answer is $x < 1$.

$- 0.3 + 2.1 \left(x - 4\right) < - 6.6$

Do the multiplication first.

$- 0.3 + 2.1 x - 8.4 < - 6.6$

Combine like terms.

$1.8 x - 8.4 < - 6.6$

$1.8 x < - 6.6 + 8.4$
$1.8 x < 1.8$
Divide both sides by $1.8$.
$x < 1$