Jawaban:
120
Penjelasan dengan langkah-langkah:
2x + 18 + M = 180
2x + 18 + 32 = 180
2x= 180 - 50
2x= 130
x= 65
2x + 18 + y - 23= 180
2×65 + 18 + y - 23= 180
130 - 5 + y= 180
125 + y= 180
y= 55
x + y= 65 + 55= 120
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Jawaban:
120
Penjelasan dengan langkah-langkah:
2x + 18 + M = 180
2x + 18 + 32 = 180
2x= 180 - 50
2x= 130
x= 65
2x + 18 + y - 23= 180
2×65 + 18 + y - 23= 180
130 - 5 + y= 180
125 + y= 180
y= 55
x + y= 65 + 55= 120