3 years ago

Solve the following proble 1. 3a + 1 = a +9

1 answer:

Sav [38]3 years ago

3 0

Answer:

a=4

Step-by-step explanation:

3a+1=a+9

subtract a from both sides

2a+1=9

subtract 1 from both sides

2a=8

divide both sides by 2

a=4

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