0.4y-4=7-0.9y

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Solution for 0.4y-4=7-0.9y equation: 



0.4y-4=7-0.9y

We move all terms to the left:

0.4y-4-(7-0.9y)=0

We add all the numbers together, and all the variables

0.4y-(-0.9y+7)-4=0

We get rid of parentheses

0.4y+0.9y-7-4=0

We add all the numbers together, and all the variables

1.3y-11=0

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

1.3y=11

y=11/1.3

y=8+0.6/1.3

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