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b = 5
c = -7
nilai dari 3a+2b -c-(a-b+c)
= 3(-3) + 2(5) - (-7) - (-3-5+(-7))
= -9 +10 +7 - (-15)
= 8 + 15
= 23
Semoga bermanfaat
a = (-3)
b = 5
c = (-7)
Jawabannya :
3a + 2b - c - ( a + b + c )
= 3(-3) + 2(5) - (-7) - ((-3) - 5 + (-7))
= (-9) + 10 + 7 - ( -15 )
= (-9) + 10 + 7 + 15
= 23