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Aleks04 [339]
3 years ago
12

What is 9 - 4 (- a + 9) + 3(7 - 2a)

Mathematics
2 answers:
Katen [24]3 years ago
7 0
-2a - 6

Hope I helped!

~ Zoe
zzz [600]3 years ago
7 0
9-4(-a+9)+3(7-2a)=
9+4a-36+21-6a=
-6-2a=0
-2a=6
a=-3
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