130a+0.70=80a+0.90

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Solution for 130a+0.70=80a+0.90 equation: 



130a+0.70=80a+0.90

We move all terms to the left:

130a+0.70-(80a+0.90)=0

We add all the numbers together, and all the variables

130a-(80a+0.9)+0.70=0

We add all the numbers together, and all the variables

130a-(80a+0.9)+0.7=0

We get rid of parentheses

130a-80a-0.9+0.7=0

We add all the numbers together, and all the variables

50a-0.2=0

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

50a=0.2

a=0.2/50

a=0.2/50

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