Question

alguien por favor
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Answer 1

$3 \alpha + \alpha = 80 \\ 4 \alpha = 80 \\ \alpha = \frac{80}{4} \\ \alpha = 20$

$3θ + θ = 160 \\ 4θ = 160 \\ θ = \frac{160}{4} \\ θ = 40$

$x + 3θ = 3 \alpha + 80 \\ x + 3 \times 40 = 3 \times 20 + 80 \\ x + 120 =140 \\ x = 140 - 120 \\ x = 20$