0.8z+15=7

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Solution for 0.8z+15=7 equation: 



0.8z+15=7

We move all terms to the left:

0.8z+15-(7)=0

We add all the numbers together, and all the variables

0.8z+8=0

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

0.8z=-8

z=-8/0.8

z=-10

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