How do I solve this?? ANSWER ASAP!?

Please show the steps and explain how you would solve this.2c + 4o = 43 or:Please show the steps and explain how you would solve this.2c + 4o = 43

Please show the steps and explain how you would solve this.
2c + 4o = 43

or:Please show the steps and explain how you would solve this.2c + 4o = 43

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