Question: EA 4.2 #8 For this question, use the substitution method to solve each of the following systems. Check your answer Manually, without the use of

EA 4.2 #8 For this question, use the substitution method to solve each of the following systems. Check your answer Manually, without the use of a calculator and show the check. Ensure that you show all work. 9x + 8y = -45 y= 15 - 8x

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