Answer:
a = 12
Explanation:
-30 = 30 - 5a
Move Terms
5a = 30 + 30
Add the numbers
5a = 60
Divide both sides by 5
a=10
a -30=30- 5a
Add 5a to each side
a+5a -30=30- 5a+5a
6a -30 =30
Add 30 to each side
6a-30+30 =30+30
6a= 60
Divide by 6
6a/6 = 60/6
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