Tentukan penyelesaian dari :

Jawaban:

a. 4x + 2 = 8

4x = 8 – 2

4x = 6

x = 6/4

x = 3/2

b. 2a + 8 = 2

2a = 2 – 8

2a = -6

a = -6/2

a = -3

c. 4x – 5 = 15

4x = 15 + 5

4x = 20

x = 20/4

x = 5

d. 2(3x – 4) = 5(2x – 4)

6x – 8 = 10x – 20

6x – 10x = -20 + 8

-4x = -12

x = -12/-4

x = 3

Penjelasan dengan langkah-langkah:

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