2x(.7)+.5x(.5)=100

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Solution for 2x(.7)+.5x(.5)=100 equation: 



2x(.7)+.5x(.5)=100

We move all terms to the left:

2x(.7)+.5x(.5)-(100)=0

We add all the numbers together, and all the variables

2x(0.7)+.5x(0.5)-100=0

We multiply parentheses

1.4x+0.5x-100=0

We add all the numbers together, and all the variables

1.9x-100=0

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

1.9x=100

x=100/1.9

x=52+1/1.5833333333333

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