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(6.3/7)5=a
We move all terms to the left:
(6.3/7)5-(a)=0
We add all the numbers together, and all the variables
-a+(+6.3/7)5=0
We add all the numbers together, and all the variables
-1a+(+6.3/7)5=0
We multiply parentheses
-1a+6.3/7*5=0
We multiply all the terms by the denominator
-1a*7*5+6.3=0
Wy multiply elements
-35a*5+6.3=0
Wy multiply elements
-175a+6.3=0
We move all terms containing a to the left, all other terms to the right
-175a=-6.3
a=-6.3/-175
a=4.8461538461538/134.61538461538
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