2 years ago

Which equation has the solution x = 3?

Mathematics

2 answers:

miss Akunina [59]2 years ago

3 0

Answer:

9-3x=0

Step-by-step explanation:

Add 3x to both sides

9=3x

divide both sides by 3

3=x

x=3

Gala2k [10]2 years ago

3 0

Answer:

First two equations

Step-by-step explanation:

9-3x=0

9=3x

3=x

x=3

2x+4=10

2x=6

x=3

9x-1=4

9x=5

x=5/9

3x+1=9

3x=8

x=8/3

x^3+5=6

x^3=1

x=1

5x-7=1

5x=8

x=8/5

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