Penjelasan dengan langkah-langkah:
| 2x - 4 | + 4x = 8
di sederhanakan terlebih dahulu
| 2x + 4x | = 8 + 4
| 2x + 4x | = 12
masuk ke rumus
f(x) = a
6x = 12
x = 12 ÷ 6
x = 2
f(x) = - a
| 2x + 4x | = -12
6x = -12
x = -12 ÷ 6
x = -2
Maka { 2 dan -2 } Hp
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Penjelasan dengan langkah-langkah:
| 2x - 4 | + 4x = 8
di sederhanakan terlebih dahulu
| 2x + 4x | = 8 + 4
| 2x + 4x | = 12
masuk ke rumus
f(x) = a
| 2x + 4x | = 12
6x = 12
x = 12 ÷ 6
x = 2
f(x) = - a
| 2x + 4x | = -12
6x = -12
x = -12 ÷ 6
x = -2
Maka { 2 dan -2 } Hp