How do you find the difference #10-15#?

Question

2525 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-01-10T10:39:57

This is just one way of many

#-5#

Given: #" "color(green)(10)color(red)(-15)#

Split the #color(red)(-15)# into #color(red)(-10-5)#

Then when we put it all together we have:

#color(green)(10)color(red)(-10-5)#

But 10-10 = 0 giving

#0-5# which is the same as #-5#