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2/7+a=(4/3)+(6/21)
We simplify the equation to the form, which is simple to understand
2/7+a=(4/3)+(6/21)
Remove unnecessary parentheses
+ 0.28571428571429+a=+1.3333333333333+( + 0.28571428571429)
Remove unnecessary parentheses
+ 0.28571428571429+a=+1.3333333333333 + 0.28571428571429
We move all terms containing a to the left and all other terms to the right.
+1a=+1.3333333333333 + 0.28571428571429-0.28571428571429
We simplify left and right side of the equation.
+1a=+1.3333333333333
We divide both sides of the equation by 1 to get a.
a=1.3333333333333
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