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5 votes
Equation below has one solution.

9 x minus 10 = 3 x + 2

What is the solution to the equation?

User Chizoba
by
4.8k points

2 Answers

6 votes

x = -30⅔ or -30.666.... *repeating*

Explanation:

to find out the missing variable you have to isolate the variable.


9 * ( - 10) = 3x + 2 \\ - 90 = 3x + 2 \\ - 90 - 2= 3x + 2 - 2 \\ - 92 = 3x \\ - 92 / 3 = 3x / 3 \\ - 30.6666.... \: or \: - 30 (2)/(3)

User Jnmoal
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5.5k points
3 votes
X=2. As you write out the equation your first step is to isolate the variable, do 3x-9x=6x then add 10 to 2 you equation is 6x=12 them divide each side by 2 and you get x=2
User Gabbler
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4.8k points