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0.7(0.9x-2)=3(0.21x-0.75)
We simplify the equation to the form, which is simple to understand
0.7(0.9x-2)=3(0.21x-0.75)
Reorder the terms in parentheses
+( + 0.63x-1.4)=3*(0.21x-0.75)
Remove unnecessary parentheses
+ 0.63x-1.4=+3+*( + 0.21x-0.75+)
Reorder the terms in parentheses
+ 0.63x-1.4=+( + 0.63x-2.25)
Remove unnecessary parentheses
+ 0.63x-1.4=0.63x-2.25
We move all terms containing x to the left and all other terms to the right.
+ 0.63x-0.63x=-2.25+1.4
We simplify left and right side of the equation.
0x=-0.85
0=-0.85
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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