15(a-4)-2(a-9)+5(a+6)=0.
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Answered by
4
15a-60-2a+18+5a+30 =0
= 18a-12=0
=18a=12
=a=12/18
=a=2/3
a= 0.666666.....
= 18a-12=0
=18a=12
=a=12/18
=a=2/3
a= 0.666666.....
Answered by
3
15(a-4)-2(a-9)+5(a+6)=0
15a-60-2a+18+5a+30=0
18a-12=0
a=12/18
a=0.66
15a-60-2a+18+5a+30=0
18a-12=0
a=12/18
a=0.66
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