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Andrews [41]
4 years ago
13

1= -a - 13 divided by -6

Mathematics
1 answer:
Rzqust [24]4 years ago
3 0

Answer:

-7 = a

Step-by-step explanation:

1 = -1a -13/-6

multiply -6 on both sides

-6 = -1a - 13

add 13 on both sides

7 = -1a

divide -1 on both sides

-7 = a

explanations : When you do something on one side of the equation you have to do it on the other. Why add a 1 to -a (it is totally optional). You can add a 1 to a variable if it makes the equation easier (so the last step was optional as well)

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<h3>What is the area of the ground floor?</h3>

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3 years ago
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