0.9y-0.8=0.3-0.4y

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Solution for 0.9y-0.8=0.3-0.4y equation:



0.9y-0.8=0.3-0.4y
We move all terms to the left:
0.9y-0.8-(0.3-0.4y)=0
We add all the numbers together, and all the variables
0.9y-(-0.4y+0.3)-0.8=0
We get rid of parentheses
0.9y+0.4y-0.3-0.8=0
We add all the numbers together, and all the variables
1.3y-1.1=0
We move all terms containing y to the left, all other terms to the right
1.3y=1.1
y=1.1/1.3
y=1/1.1818181818182

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