0.1x+0.8(10-x)=4.5

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Solution for 0.1x+0.8(10-x)=4.5 equation: 



0.1x+0.8(10-x)=4.5

We move all terms to the left:

0.1x+0.8(10-x)-(4.5)=0

We add all the numbers together, and all the variables

0.1x+0.8(-1x+10)-(4.5)=0

We add all the numbers together, and all the variables

0.1x+0.8(-1x+10)-4.5=0

We multiply parentheses

0.1x-0.8x+8-4.5=0

We add all the numbers together, and all the variables

-0.7x+3.5=0

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

-0.7x=-3.5

x=-3.5/-0.7

x=+5

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