X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
1 ton = 2,000 pounds, so 1 ton would of course weigh more than 388 pounds
Answer:
I have the same question
Step-by-step explanation:
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Answer:
b
Step-by-step explanation:
solve for c by simplifying both sides of the equation then isolate the variable
