3x-21=4-2x

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Solution for 3x-21=4-2x equation:


3x-21=4-2x

We simplify the equation to the form, which is simple to understand 
3x-21=4-2x

We move all terms containing x to the left and all other terms to the right. 
+3x+2x=+4+21

We simplify left and right side of the equation. 
+5x=+25

We divide both sides of the equation by 5 to get x. 
x=5

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