Given equation is

We can solve it by subtracting 1/4 both side


So

On comparing x = 3.
SO the solution of equation is x = 3
Answer:
+
Step-by-step explanation:
b/c
18+2×4
18+8
26
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Answer:
64%
Step-by-step explanation:
The nickel= 9/25
The copper=16/25
1. Multiply by 4 to get a total of 100
nickel=36/100
copper= 64/100
Sorry if it is wrong but i hope i was right