A) 3,8x-(1,6-1,2x)=9,6+(3,7-5x)
3.8x – 1.6 + 1.2x = 9.6 + 3.7 – 5x
3,8x + 1,2x + 5x = 3,7 + 9,6 + 1,6
10x = 14.9
x = 1.49
b) (4,5y+9)-(6,2-3,1y)=7,2y+2,8
4.5y + 9 – 6.2 + 3.1y = 7.2y + 2.8
4,5y + 3,1y – 7,2y = 2,8 + 6,2 – 9
y = 0
A) 3,8x-(1,6-1,2x)=9,6+(3,7-5x)
3.8x – 1.6 + 1.2x = 9.6 + 3.7 – 5x
3,8x + 1,2x + 5x = 3,7 + 9,6 + 1,6
10x = 14.9
x = 1.49
b) (4,5y+9)-(6,2-3,1y)=7,2y+2,8
4.5y + 9 – 6.2 + 3.1y = 7.2y + 2.8
4,5y + 3,1y – 7,2y = 2,8 + 6,2 – 9
y = 0