3x+1+5x+=7+15+7x

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Solution for 3x+1+5x+=7+15+7x equation:


3x+1+5x+=7+15+7x

We simplify the equation to the form, which is simple to understand 
3x+1+5x+=7+15+7x

We move all terms containing x to the left and all other terms to the right. 
+3x+5x-7x=+7+15-1

We simplify left and right side of the equation. 
+1x=+21

We divide both sides of the equation by 1 to get x. 
x=21

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