2a+50=140

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Solution for 2a+50=140 equation: 



2a+50=140

We move all terms to the left:

2a+50-(140)=0

We add all the numbers together, and all the variables

2a-90=0

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

2a=90

a=90/2

a=45

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