You substitute the y from the second eqaution to the y in the first equation
Answer:
Vertical angle
Step-by-step explanation:
Answer:
You typically apply the same rules as you would for 'regular' fractions.
So you can multiply numerator and denominator by the same value if needed. If you want to add fractions you must make sure the denominators are the same, etc.
The value you multiply by can be an algebraic expression.
Answer:
18/77
Step-by-step explanation:
9*2 = 18
11*7= 77
18/77
