Question

СРОЧНО!!! Решить уравнения 5(x+1)-3x=11 [ 4t-2(6t+9)=22 ] [ 1,5(y-3)=2(y-5) ] [0,1z-1=0,2(z+3)

Answer 1

1) 5х+5-3х=11
2х=11-5
2х=6
х=3
2) 4t-12t+18=22
-8t=22-18
-8t=4
t=-0.5
3) 1.5y-4.5=2y-10
0.5y=5.5
y=11
4) 0.1z-1=0.2z+0.6
0.1z=-1.6
z=-16