Answer:
Substitution
Step-by-step explanation:
The subtraction property of equality is when you subtract from both sides, they will still be equal. The multiplication property is the same thing but with multiplication.
they are supplementary angles
Answer:
-23/12
Step-by-step explanation:
6 3/4-8 2/3
=27/4-26/3
=3*27-26*4/12
=81-104/12
=-23/12
Answer:
6.6368
Step-by-step explanation:
