Question

como se responde as equacoes 2x+500+100=1x+250+500 e 750+1x=3x+100

Answer 1

2x + 500 + 100 = 1x + 250 + 500
2x - x = 250 + 500 - 500 - 100
x = 750 - 600
x = 150

750 + 1x = 3x + 100
x - 3x = 100 - 750
- 2x = - 650    .(- 1)
2x = 650
x = 650/ 2
x = 325