Himpunan penyelesaian persamaan2(x-3)+7=3(x+4)-9

Materi : Persamaan Linear

Pembahasan :
2(x - 3) + 7 = 3(x + 4) - 9
2x - 6 + 7 = 3x + 12 - 9
2x + 1 = 3x + 3
3x - 2x = 1 - 3
x = -2

Hp : {-2}

2(x-3) + 7 = 3(x+4) - 9
2x - 6 + 7 = 3x + 12 -9
2x - 3x = 12 + 6 - 9 - 7
x= -2

Hp = {-2}