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(5.38-0.8)-(1.6-4.7a)=2a-(a-0.3)
We move all terms to the left:
(5.38-0.8)-(1.6-4.7a)-(2a-(a-0.3))=0
We add all the numbers together, and all the variables
-(-4.7a+1.6)-(2a-(a-0.3))+(4.58)=0
We add all the numbers together, and all the variables
-(-4.7a+1.6)-(2a-(a-0.3))+4.58=0
We get rid of parentheses
4.7a-(2a-(a-0.3))-1.6+4.58=0
We calculate terms in parentheses: -(2a-(a-0.3)), so:We add all the numbers together, and all the variables
2a-(a-0.3)
We get rid of parentheses
2a-a+0.3
We add all the numbers together, and all the variables
a+0.3
Back to the equation:
-(a+0.3)
4.7a-(a+0.3)+2.98=0
We get rid of parentheses
4.7a-a-0.3+2.98=0
We add all the numbers together, and all the variables
3.7a+2.68=0
We move all terms containing a to the left, all other terms to the right
3.7a=-2.68
a=-2.68/3.7
a=-2.68/3.7
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