0.8(220-a)=144

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Solution for 0.8(220-a)=144 equation: 



0.8(220-a)=144

We move all terms to the left:

0.8(220-a)-(144)=0

We add all the numbers together, and all the variables

0.8(-1a+220)-144=0

We multiply parentheses

-0.8a+176-144=0

We add all the numbers together, and all the variables

-0.8a+32=0

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

-0.8a=-32

a=-32/-0.8

a=+40

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