Answer:
x = 3
Step-by-step explanation:
To find the x-coordinate, substitute y = 8 into the equation abd solve for x
5x - 7 = 8 ( add 7 to both sides )
5x = 15 ( divide both sides by 5 )
x = 3
Thus (3, 7) is a solution to the equation
Answer:
9
Step-by-step explanation:




<em>⇨ Again letting n be the number</em>
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<em />
<em>⇨ Subtract 13 from n</em>
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*unlike addition, the order DOES matter, because

Hope that helped
Answer:
16 is the answer
Step-by-step explanation: