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denpristay [2]
3 years ago
15

I've only learned how to solve for a single variable. :')

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0

Answer:brainliest plsssss

Step-by-step explanation:

1/2x+15=x

X+30=2x

30=2x-x

30=x

Number of girls in class

30-12=18

☆ the number of girls in his class are 18

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Answer:

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Step-by-step explanation:

-1.3+4.6x=0.3+4x

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Hope this helps!

4 0
3 years ago
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Blababa [14]

I got 75582.

Explanation:

First, group the 40 identical candies into 20 pairs. It doesn't matter how since the candies are identical. This grouping will ensure that any assigment will contain at least two candies.

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3 years ago
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egoroff_w [7]

Answer:

x axis

Step-by-step explanation:

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