6x-21=4x-16

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Solution for 6x-21=4x-16 equation: 



6x-21=4x-16

We move all terms to the left:

6x-21-(4x-16)=0

We get rid of parentheses

6x-4x+16-21=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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