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6x + 2 = Ax-3A + Bx+B
6x + 2 = Ax+Bx -3A+B
6x + 2 = (A+B)x - 3A+B
Berarti,
A+B = 6
-3A + B = 2
Kurangi,
4A = 4
A = 1
Dan,
B = 5
6x+2=Ax-3A+Bx+B
6x+2= ..x+c
Ax-3A+Bx+B=Ax+Bx-3A+B
⇒(A+B)x-3A+B
maka
6x+2=(A+B)x-3A+B
(A+B)x=6x ⇒ -3A+B=2
A+B=6 -3A+B=2
kurangkan lah
A+B=6
-3A+B=2
4A=4
A=4/4=1 ∞B ⇒A+B=6 ⇒1+B=6 B=6-1=5