For this case we must indicate an expression equivalent to:
By definition of power properties we have:
We can rewrite the expression as:
Answer:
Answer:
-4
Step-by-step explanation:
3 + (-7) = 3 + -7 = 3-7 = -4
Hope this help you :3
Answer:
The solution of the system is the point (-2,4)
Step-by-step explanation:
we have
---> equation A
----> equation B
Solve the system by elimination
Multiply the equation B by -2 both sides
----> equation C
Adds equation A and equation C
<em>Find the value of x</em>
substitute the value of y in any equation
The solution of the system is the point (-2,4)