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2x-1=x+2
2x-x=2+1
x=3
jadi x = 3
lalu nilai 4x + 6=4(3) + 6
= 12 + 6
= 18
semoga membantu :D :)
<=> 2x - 1 = x + 2
<=> 2x - x = 2 + 1
<=> x = 3