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mr_godi [17]
3 years ago
10

Select the equation(s), where 9 is a solution.

Mathematics
1 answer:
seraphim [82]3 years ago
7 0

Answer:

a and b

Step-by-step explanation:

a)

9+3x=36

3x=27

<em>x=9</em>

b)

57=6x+3

54=6x

<em>9=x</em>

c)

4x+3=43

4x=40

x=10

d)

4x=49

x=12.25

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