642x+5=128

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Solution for 642x+5=128 equation: 



642x+5=128

We move all terms to the left:

642x+5-(128)=0

We add all the numbers together, and all the variables

642x-123=0

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

642x=123

x=123/642

x=41/214

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