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st4rgrl
The expression simplifies to 13.

There are no exponents or parentheses, so that can be skipped. Start with multiplication and division from left to right. 

25-4×9÷2+12÷4×2
25-36÷2+3×2

Add and subtract from left to right.

25-18+6
7+6
13
jog2228

Answer: 13

Step-by-step explanation: I used demos scientific calculator I suggest using it it's awesome!

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