Answer:
r x 5 cannot be...
Step-by-step explanation:
you have one variable you cannot answer one question that only has one variable it should have two or more so it can be balanced, algebraic equations are just like a balancing platform wherein it should be balanced
example: 1 + x = 2+2
= 1 + x = 4
= 1 + x - 1 = 4
= x = 4
r x 5 is not answerable
