0.3(x+30)-0.02(x-40)=15.4

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Solution for 0.3(x+30)-0.02(x-40)=15.4 equation: 



0.3(x+30)-0.02(x-40)=15.4

We move all terms to the left:

0.3(x+30)-0.02(x-40)-(15.4)=0

We add all the numbers together, and all the variables

0.3(x+30)-0.02(x-40)-15.4=0

We multiply parentheses

0.3x-0.02x+9+0.8-15.4=0

We add all the numbers together, and all the variables

0.28x-5.6=0

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

0.28x=5.6

x=5.6/0.28

x=19+0.28/0.28

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