9. Penyelesaian dari 4x - 5 = 2x + 7 adalah....
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4x - 2x = 7 + 5
2x = 12
x = 12 : 2
x = 6 [answer.2.content]
4ꉧ - 5 = 2ꉧ + 7
4ꉧ - 2ꉧ = 7 + 5
2ꉧ = 12
ꉧ = 12/2
ꉧ = 6
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4x - 5 = 2x + 74x - 2x = 7 + 5
2x = 12
x = 12 : 2
x = 6 [answer.2.content]
