¾ + 2a = ½
2a = ½ - ¾
2a = 1×2/2×2 - ¾
2a = 2/4 - 3/4
2a = 2-3/4
2a = -1/4
a = 2 ÷ -1/4
a = 2 × 4/-1
a = 2 × -4
a = -8
~ Persamaan
Jadi, nilai a yg memenuhi bntk persamaan tsb adalah -⅛
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¾ + 2a = ½
2a = ½ - ¾
2a = 1×2/2×2 - ¾
2a = 2/4 - 3/4
2a = 2-3/4
2a = -1/4
a = 2 ÷ -1/4
a = 2 × 4/-1
a = 2 × -4
a = -8
~ Persamaan
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Jadi, nilai a yg memenuhi bntk persamaan tsb adalah -⅛