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nadezda [96]
3 years ago
14

Can some on help me on this question?

Mathematics
2 answers:
mario62 [17]3 years ago
6 0

Answer:

x=10 and x-7 is the answer

Step-by-step explanation:

a)2x-7=13

2x=13+7

2x=20

x=20/2

x=10

b)3x+4=25

3x=25-4

3x=21

x=21/3

x=7

i hope it will help you

denpristay [2]3 years ago
5 0

Answer:

a) x=10

b) x=7

Step-by-step explanation:

a)

2x-7=13

<em>Add 7 to both sides</em>

2x=20

<em>Divide both sides by 2</em>

x=10

b)

3x+4=25

<em>Subtract 4 from both sides</em>

3x=21

<em>Divide both sides by 3</em>

x=7

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