Tolong aku dong kak pliiis di jawab dengan benar besok hrs dikumpulin?
Jawab:
1. x = 11
2. x = 70
3. x = 6
4. x = 5
Penjelasan dengan langkah-langkah:
1. 5x + 125 = 180
180 - 125 = 5x
55 = 5x
x = 11
2. 180 = 2x+10 + 30
180-40 = 2x
140 = 2x
x = 70
3. 180 = 5x + 150
180-150 = 5x
30 = 5x
x = 6
4. 180 = 135 + 8x + 5
180 - 140 = 8x
40 = 8x
x = 5
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