Question

Tentukan himpunan penyelesaian dari persamaan berikut: 3y+15=5y-1

Answer 1

3y+15=5y-1
1. Subtract 5y from each side, so you are left with -2y+15=-1
2.Subtract 15 from each side, so you are left with -2y=-16
3. Divide both sides by -2. so you have y=8