S+g=316 "s"=strawberry "g"=grape
g=52+s
plug in for "g" to find "s"
s+(52+s)=316
2s+52=316
2s=316-52
2s=264
s=264/2
s=132
find "g"
g=52+132
g=184
Additive inverses are numbers that when added to another number equal 0. The additive inverse of 5 is -5 and the additive inverse of 6 is -6. Therefore, the new expression is -5-(-6) or -5+6.
Do you mean checking your work? In that case it would be 9*20.
