Answer:
We know that a negative value is positive of all even exponents and negative for all odd exponents.
y=(-1)^x
Answer: x=10
Step-by-step explanation:
=
=
5(x+5)=3(3x-5)
5x+25=9x-15
25=4x-15
4x=40
x=10
Answer:
B=55
Step-by-step explanation:
2x+3x+2x+5=180
7x=175
X=25
B= 2x+5
B=2*25 +5
B=55
The true one
miguel save 60$ on 4 months
The false one
After 2 months miguel has 20$