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

✩

 ✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*

✩ Step-by-step explanation:

 ✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*

✺ 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:

✩

 ✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*✧･ﾟ: *✧･ﾟ:*

✺ Decimal Form:

✺ Fraction Form:

             "ටᆼට"

19.side- angle- side

20. angle- side- angle

step-by-step explanation: