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-3.49=-2.5+0.3z
We move all terms to the left:
-3.49-(-2.5+0.3z)=0
We add all the numbers together, and all the variables
-(0.3z-2.5)-3.49=0
We get rid of parentheses
-0.3z+2.5-3.49=0
We add all the numbers together, and all the variables
-0.3z-0.99=0
We move all terms containing z to the left, all other terms to the right
-0.3z=0.99
z=0.99/-0.3
z=-3+0.09/0.3
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