(t+0,1)⋅2,5=45,84 помогите

(т+0.1)*2.5=45.84 т+0.1=45.84:2.5 т+0.1=18.336 т=18.336-0.1 т=18.236

(t+0,1)*2,5=45,84 t+0,1=45,84:2,5 t+0,1=18,336 t=18,336-0,1 t=18.236