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Aleksandr [31]
3 years ago
13

-8 + x = 12 I don't get it and i need help

Mathematics
1 answer:
Blababa [14]3 years ago
4 0

Answer:

this is easy just do 12-(-8)= 12+8=20

so the answer is 20

Step-by-step explanation:

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eg. a is the first number and b is the seond number
An equation for "<span>The sum of two numbers is 53" is
</span>⇒ a + b = 53
An equation for "<span>twice the first number minus three times the second number is 26"
</span>⇒ 2a - 3b = 26
<span>
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--------------------------------------
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------------------- - (substract)
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The numbers are 16 and 37</span>
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