3.5=7.1-0.9x

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Solution for 3.5=7.1-0.9x equation:



3.5=7.1-0.9x
We move all terms to the left:
3.5-(7.1-0.9x)=0
We add all the numbers together, and all the variables
-(-0.9x+7.1)+3.5=0
We get rid of parentheses
0.9x-7.1+3.5=0
We add all the numbers together, and all the variables
0.9x-3.6=0
We move all terms containing x to the left, all other terms to the right
0.9x=3.6
x=3.6/0.9
x=4

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