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7(3x-5)=245
We simplify the equation to the form, which is simple to understand
7(3x-5)=245
Reorder the terms in parentheses
+(+21x-35)=245
Remove unnecessary parentheses
+21x-35=+245
We move all terms containing x to the left and all other terms to the right.
+21x=+245+35
We simplify left and right side of the equation.
+21x=+280
We divide both sides of the equation by 21 to get x.
x=13.3333333333
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