SOLUTION: Decide if the given number is a solution to the given equation. 2x + 7x - 5 = 67; 8

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Question 431810: Decide if the given number is a solution to the given equation. 2x + 7x - 5 = 67; 8
Answer by algebrahouse.com(1659) About Me  (Show Source):
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"Decide if the given number is a solution to the given equation. 2x + 7x - 5 = 67; 8"

2x + 7x - 5 = 67, for x = 8
2(8) + 7(8) - 5 = 67 {substituted 8, in for x}
16 + 56 - 5 = 67 {multiplied}
67 = 67 {combined terms on left side}

this is a true statement, therefore
8 is a solution to the equation
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