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lions [1.4K]
3 years ago
5

Solve and show work.3a-4a+9=-12a+43-6a

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0

A=2

First simplify

Regroup terms

Simplify

Subtract 9

Simplify

Addc18a

Simplify

Divide both side by 17

Simplify 34/17

Lesechka [4]3 years ago
7 0
3a-4a+9=-12a+43-6a
-a+9=-12a+43-6a
-a+9=-18a+43
-a+9+18a=43
17a+9=43
17a=43-9
17a=34
a=34:17
a=2

The answer is: a=2
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