Answer:
(x, y) = (-1, 1)
Step-by-step explanation:
8x + y = −7
for y = 1
8x + 1 = -7
subtract 1 from boh sides
8x = -8
divide bot sides by 8
x = -1
(x, y) = (-1, 1)
Answer:
378
Step-by-step explanation:
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Tom parked the car at the garage for 5 hours
Step-by-step explanation:
Let x be the number of hours
Then according to given statement the equation will be:

Dividing both sides by 2

Hence,
Tom parked the car at the garage for 5 hours
Keywords: Linear equation, variables
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9x and 5x are "like terms."
9x - 5x produces the same result as does -5x + 9x.