2 3
57:54
BRIE
Which shows the correct solution of the equation 20+ 3 (30) = 50
za + 20 =50
20+20 - 20 = 50-20
Ź a=30
a=15
30 + $ 30=50
20+20 = 50
20+20+20 = 50+20
1.=70
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