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The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number?
Updated: 9/17/2023
Wiki User
∙ 14y agoBest Answer
18
Erin Bode
Lvl 10
∙ 3y agoThis answer is:
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Wiki User
∙ 14y agoLet the unknown number be x:
3x+7 = 2x-11
3x-2x = -11-7
x = -18
Substituting the value of x into the original equation: -47 = -47
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