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I've attached the problem in this post, so that's way yall can see the problem and picture easily.

what is this signal [tex]\sum[/tex] means in the problem?

THe problem said they find the ammeter in the cirucuit read 2A, I just wonder is it the total current?

If i set up I = I1 + I2, then in loop 1 (top loop) I can use I and I1 to; and in loop 2(bottom loop) I can use I and I2 in order to find the currents. Is it correct? Please give me a hint. Thank you!!

**3. The Attempt at a Solution**what is this signal [tex]\sum[/tex] means in the problem?

THe problem said they find the ammeter in the cirucuit read 2A, I just wonder is it the total current?

If i set up I = I1 + I2, then in loop 1 (top loop) I can use I and I1 to; and in loop 2(bottom loop) I can use I and I2 in order to find the currents. Is it correct? Please give me a hint. Thank you!!

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