SOLUTION: 7x-(5x-4)=12

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Question 313945: 7x-(5x-4)=12
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
7x-(5x-4)=12
7x-5x+4=12
2x=12-4
2x=8
x=8/2
x=4 ans.
Proof:
7*4-(5*4-4)=12
28-(20-4)=12
28-16=12
12=12