Z równania wyznasz t1 t=m1t1+m2t2/m1+m2
t = (m₁t₁ + m₂t₂)/(m₁ + m₂)
t(m₁ + m₂) = m₁t₁ + m₂t₂
t(m₁ + m₂) - m₂t₂ = m₁t₁
t₁ = [t(m₁ + m₂) - m₂t₂]/m₁
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t = (m₁t₁ + m₂t₂)/(m₁ + m₂)
t(m₁ + m₂) = m₁t₁ + m₂t₂
t(m₁ + m₂) - m₂t₂ = m₁t₁
t₁ = [t(m₁ + m₂) - m₂t₂]/m₁