Answer:
-96
Step-by-step explanation:
In order to get the opposite of an integer, you just need to change its signal. So, the opposite of 96 is -96. If you add the opposite or additive inverse of the number to the number itself the result will be 0.
So, 96 plus -96 = zero.
Answer:
x=31
Step-by-step explanation:
you just have to add the two equations to equal 180 because it's they're supplementary angles.
(25+x)+4x=180
25+x+4x=180
25+5x=180
5x=155
x=31