Answer:
a values of r and a that the answer
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4
hope this helps
Given Equations
- 5x+3y=8--(1)
- 4x+7y=34--(2)
Let it has solution (x,y)
Add both


It will also have same solution (x,y)
Reduce the expression, if possible, by canceling the common factors.
Exact Form: 22/15
Decimal Form: 1.46
Mixed Number Form: 1/715