.4x+.2x=87

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Solution for .4x+.2x=87 equation: 



.4x+.2x=87

We move all terms to the left:

.4x+.2x-(87)=0

We add all the numbers together, and all the variables

0.6x-87=0

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

0.6x=87

x=87/0.6

x=145

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