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Copper100:
A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into equation D to solve the system of equations? (5 points) 2b 5b 5b − 3 2b + 7
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snowflake0531:
You're using the substitution method Equation C: a = 2b + 7 Equation D: a = 5b − 3 you want to put equation C into be, so then it becomes 2b + 7 = 5b-3 i hope that answers your question`
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