31=11a-13

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Solution for 31=11a-13 equation:



31=11a-13
We move all terms to the left:
31-(11a-13)=0
We get rid of parentheses
-11a+13+31=0
We add all the numbers together, and all the variables
-11a+44=0
We move all terms containing a to the left, all other terms to the right
-11a=-44
a=-44/-11
a=+4

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