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gtnhenbr [62]
2 years ago
9

I need help with 18-19​

Mathematics
2 answers:
Svet_ta [14]2 years ago
8 0

Answer:

18-19= -1  

Step-by-step explanation:

18-19=-1

Sweetheart, you cant subtract a smaller number from an bigger number or it will be a negitive number so the answer is -1

elena-s [515]2 years ago
8 0

Answer:

18. p = 5

19. b = 8

Step-by-step explanation:

all you have to do is apply the inverse of the number being added to the variable to the other side of the equation to balance the equation. And if you are ever stuck there are great algebra calculators online. For example MathPapa. Good luck

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Answer:

Step-by-step explanation:

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b) The first equation can be multiplied by 7 and the second equation by 13 to eliminate y. So we have

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<em>(If we subtract, this is Yes)</em>

<em></em>

c) The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.

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d) The first equation can be multiplied by 5 and the second equation by 12 to eliminate x.

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The final answer is C

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