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16/4a = 2
4a = 2
a = 4/2 = 2
Nomor 3:
1/2(4x - 2) = 3
2x + 1 = 3
2x = 3 - 1
2x = 2
x = 1
Nomor 4:
6x - 2 = 4x + 6
6x - 4x = 2 + 6
2x = 8
x = 8/2 = 4
Ada yg salah silakan dikomentar:) trims
4/a = 2/1 ⇒ dikali silang
2a = 4
a = 2
2. 3a - 2 = -d + 18
3a + d = 18 + 2
3a + d = 20
3. 1/2 ( 4x + 2 ) = 3 ⇒ 1/2 nya dikali kan kedalam kurung dulu
2x + 1 = 3
2x = 3 - 1
2x = 2
x = 1
4. 2 ( 3x - 1 ) = 2 ( 2x + 3 ) ⇒ 2 nya dikali kan kedalam kurung dulu baru bisa jumlahkan
6x - 2 = 4x + 6
6x - 4x = 6 + 2
2x = 8
x = 4
Sekian ^_^