.9(4-2k)=7

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Solution for .9(4-2k)=7 equation: 



.9(4-2k)=7

We move all terms to the left:

.9(4-2k)-(7)=0

We add all the numbers together, and all the variables

.9(-2k+4)-7=0

We multiply parentheses

-1.8k+3.6-7=0

We add all the numbers together, and all the variables

-1.8k-3.4=0

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

-1.8k=3.4

k=3.4/-1.8

k=-1+1/1.125

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