3(5+x)=7

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Solution for 3(5+x)=7 equation:


3(5+x)=7

We simplify the equation to the form, which is simple to understand 
3(5+x)=7

Reorder the terms in parentheses
+(+15+3x)=7

Remove unnecessary parentheses
+15+3x=+7

We move all terms containing x to the left and all other terms to the right. 
+3x=+7-15

We simplify left and right side of the equation. 
+3x=-8

We divide both sides of the equation by 3 to get x. 
x=-2.6666666666667

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