1/3 ( 3x + 9 ) = 5 - 3 ( x - 2 )
2 answers:
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Answer:
x= 2
Step-by-step explanation:
Multiply both sides of the equation by 3, since that it the reciprocal of 1/3.
3x+9= 15- 9(x-2)
Distribute -9 through the parenthesis.
3x+9= 15-9x+18
Add the numbers.
3x+9= 33- 9x
Move the variable to one side.
3x+9= 33- 9x
-3x -3x
9=33-12x
Subtract to both sides.
9= 33-12x
-33 -33
-24= -12x
Divide -12 to both sides.
<u>-24</u>= <u>-12x</u>
-12 -12
x=2
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