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0.75(5x+9)=3.4-(x-3)
We move all terms to the left:
0.75(5x+9)-(3.4-(x-3))=0
We multiply parentheses
3.75x-(3.4-(x-3))+6.75=0
We calculate terms in parentheses: -(3.4-(x-3)), so:We get rid of parentheses
3.4-(x-3)
determiningTheFunctionDomain -(x-3)+3.4
We get rid of parentheses
-x+3+3.4
We add all the numbers together, and all the variables
-1x+6.4
Back to the equation:
-(-1x+6.4)
3.75x+1x-6.4+6.75=0
We add all the numbers together, and all the variables
4.75x+0.35=0
We move all terms containing x to the left, all other terms to the right
4.75x=-0.35
x=-0.35/4.75
x=-0.35/4.75
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