x[2]=4

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Solution for x[2]=4 equation:


x[2]=4

We simplify the equation to the form, which is simple to understand 
x(2)=4

Reorder the terms in parentheses
+(+2x)=4

Remove unnecessary parentheses
+2x=+4

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

We simplify left and right side of the equation. 
+2x=+4

We divide both sides of the equation by 2 to get x. 
x=2

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