Question

30 + 70 + θ = a+ θ ayudaAAaaAAa

Answer 1

Explicación paso a paso:

30 + 70 + θ = a+ θ

100+θ-θ=a

100=a

Answer 2

$30 + 70 + Ө = a + Ө\\ 30 + 70 = a \\ 100 = a \\ \bf \: a = 100$