t-20=-5
x+30=-14
t-7=-16
2+z=0
u-4=-4
решить уравнения
1) T - 20 = - 5 T = - 5 + 20 T = 15 2) X + 30 = - 14 X = - 14 - 30 X = - 44 3) T - 7 = - 16 T = - 16 + 7 T = - 9 4) 2 + Z = 0 Z = - 2 5) U - 4 = - 4 U = - 4 + 4 U = 0