How do you simplify $6+5x-(-3x)$ ?

Question

3143 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-04-22T13:32:21

$6+8x$

Consider $-(-3x)$

This is the same as: $" " (-1)xx(-1)xx(3x)$

But $" "(-1)xx(-1) = +1$ giving

$(+1)xx(3x)=+3x$
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Given: $" "6+5x-(-3x)$

Write as: $" "6+5x+3x$

$= 6+8x$

How do you simplify 6+5x-(-3x)6+5x-(-3x)?