Answer:
x=25
Step-by-step explanation:
25*25=625 therefore x= 25
Answer:
the first or third one
Step-by-step explanation:
Answer:
No solution
Step-by-step explanation:
4x+9=4x+13
9 ≠ 13
No solution
Answer:
there must me a second equation too. as an equation with two variables can not be solved by just one equation
Answer:
Step-by-step explanation: