28a+19=42a+12

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Solution for 28a+19=42a+12 equation:



28a+19=42a+12
We move all terms to the left:
28a+19-(42a+12)=0
We get rid of parentheses
28a-42a-12+19=0
We add all the numbers together, and all the variables
-14a+7=0
We move all terms containing a to the left, all other terms to the right
-14a=-7
a=-7/-14
a=1/2

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