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Brodie Rosario
Mathematics
29 January, 22:26
3x minus 9 equals 1x plus 12
+2
Answers (
1
)
Terrell Goodwin
29 January, 22:45
0
x = 21/2
Step-by-step explanation:
Move all terms not containing x to the right side of the equation.
3x=x+21
Move all terms containing x to the left side of the equation.
2x=21
Divide each term by
2
and simplify.
x = 21/2
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