5a-7=7a-9

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Solution for 5a-7=7a-9 equation:



5a-7=7a-9
We move all terms to the left:
5a-7-(7a-9)=0
We get rid of parentheses
5a-7a+9-7=0
We add all the numbers together, and all the variables
-2a+2=0
We move all terms containing a to the left, all other terms to the right
-2a=-2
a=-2/-2
a=1

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