Common denominator is 7*4 = 28. We start with 77/28 and give 12/28 away. That leaves us with 65/28, or 2 and 9/28. IF your question was about what's left, this is what's left.
X and y are gonna be the variables you will solve when you do it by substitution. x=3 and y=11
Answer:
11/4
Step-by-step explanation:
Use pythagorean theorem,
x = 9.75
Answer:
negative
Step-by-step explanation:
example:
t = -.5 and u = .2
-.5 - .2 = -.7