- 3x + 9 - 4 = x + 3 + 2x

✩

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✩ Step-by-step explanation:

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✺ Subtract from to get :

✺ Combine and to get :

✺ Subtract from both sides:

✺ Combine and to get :

✺ Subtract from both sides:

✺ Subtract from to get :

✺ Divide both sides by :

✺ Reduce the fraction  to lowest terms by canceling out the common factor, :

       -OR-

✺ Reduce the fraction  to lowest terms by dividing the numerator and denominator:

✩

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✺ Decimal Form:

✺ Fraction Form:

             "ටᆼට"

my answer is$ 12

step-by-step explanation:

because 15 -2=12

30 people weigh 160 pounds or more