Question

Me ajudem por favor
7x - 8 = 5x + 22
10 - 2 (y + 1) + 3 (1 - y) = y + 1

Answer 1

7x-8=5x+22=
7x -5x=22+8
2x=30
x=30:2
x=15



10-2(y+1)+3(1-y)=y+1=
10 -2y + 2 + 3 -3y=y+1=
15-5y=y+1=
5y-y=+1 - 15=
4y=-14
y=-3,5