21+2x=16

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Solution for 21+2x=16 equation: 



21+2x=16

We move all terms to the left:

21+2x-(16)=0

We add all the numbers together, and all the variables

2x+5=0

We move all terms containing x to the left, all other terms to the right

2x=-5

x=-5/2

x=-2+1/2

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