Answer:
https://www.mathpapa.com/algebra-calculator.html
Step-by-step explanation:
Answer:
200
Step-by-step explanation:
Multiply or divide normally. Whenever the signs are different it’s always gonna be a negative.
Answer:
-1/21
Step-by-step explanation:
2/3 + -5/7
Get a common denominator of 21
2/3 *7/7 = 14/21
-5/7*3/3 = -15/21
14/21 - 15/21 = -1/21