How do you solve x-2(x+10)=12?

May 10, 2018

$x = - 32$

Explanation:

Expand the brackets

$x - 2 \left(x + 10\right) = 12 \implies x - 2 x - 20 = 12$

$- x - 20 = 12$

Add $x$ to both sides

$- 20 = 12 + x$

Subtract 12 from both sides

#-32=x