X - y = 3
x + y = 13
Adding both equations
2x = 16
x = 8
y = 5
Answer:
7
Step-by-step explanation:
Step-by-step explanation:
To solve one step equations you have to do the opposite of whatever operation is being performed on the variable so you have to get the variable by itself
The most important thing to remember is that whatever you do to one side of the equation, you have to do the same thing to the other side.
Your first step is C. Find a common denominator
Answer:
Associative property of addition: Changing the grouping of addends does not change the sum. For example, ( 2 + 3 ) + 4 = 2 + ( 3 + 4 ) (2 + 3) + 4 = 2 + (3 + 4) (2+3)+4=2+(3+4)left parenthesis, 2, plus, 3, right parenthesis, plus, 4, equals, 2, plus, left parenthesis, 3, plus, 4, right parenthesis.
Step-by-step explanation:
