Stanley R. answered • 03/03/13
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New to Wyzant
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x + 9 = 18 - 2x
x = 18 - 9 - 2x
x = 9 - 2x
x + 2x = 9
3x = 9
x = 9/3
x = 3
Dgfgdf F.
asked • 09/04/12x + 9 = 18 - 2x
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3 Answers By Expert Tutors
Suraj P. answered • 10/04/12
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Economics, Mathematics and SAT Tutor
1). Add 2x on both sides of the equation. The equation becomes 3x + 9 = 18.
2). Substract 9 from both sides. The equation becomes 3x = 9.
3). Divide both sides by 3. The equation becomes x = 3.
Lauren B. answered • 09/04/12
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Improving Dubuque's Math Skills One Student at a Time
Get the "x"s on one side then get the numbers on the other.
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