Can you help me solve this? dy/dt = -y+u1(t)(t-1),y(0)=2 what’s initial value?

Can you help me solve this? dy/dt = -y+u1(t)(t-1),y(0)=2 what's initial value?
Can you help me solve this? dy/dt = -y+u1(t)(t-1),y(0)=2 what’s initial value?

My abacus is at the shop, I’ll get back to you tomorrow.