Answer:
(-5,-8)
Step-by-step explanation:
I hope this helps!!! XD
Answer:there is no Val to x except I you use it as an variable
Step-by-step explanation:
Do the same steps that you would use for any other problem
Answer:7x-5x+6
Step-by-step explanation:combine all like terms
Answer:
15
Step-by-step explanation:
a²+20²=25²
a²=625-400
a²=225
a=15