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3x = 10+2 (pindah ruas)
3x = 12
x = 12/3
x = 4
b. 6x-18 = 0
6x = 18
x = 18/6
x = 3
semoga membantu :)
3x-2 =10
3x = 10+2 (karena pindahh ruas)
3x = 12
x = 12/3
x = 4
atau
3x-2 = -10
3x= -10+2
3x = -8
x= -8/3