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4 votes
PLSSSS HELP IF YOU TURLY KNOE THISSSS

PLSSSS HELP IF YOU TURLY KNOE THISSSS-example-1

2 Answers

0 votes

Answer:

3x+9 = 42

3x+9 -9= 42 - 9

3x= 33

x=11

User Ccman
by
8.2k points
6 votes

Answer: x = 11

Explanation:

Given:


\displaystyle (3x+9)/(2)=21

Multiply both sides of the equation by 2:

3x + 9 = 42

Subtract 9 from both sides of the equation:

3x = 33

Divide both sides of the equation by 3:

x = 11

User Al Ex Tsm
by
8.6k points

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