25=40(0.5^x)

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Solution for 25=40(0.5^x) equation: 



25=40(0.5^x)

We move all terms to the left:

25-(40(0.5^x))=0



We calculate terms in parentheses: -(40(0.5^x)), so:

40(0.5^x)

We multiply parentheses

0x

We add all the numbers together, and all the variables

x

Back to the equation:

-(x)



We add all the numbers together, and all the variables

-1x+25=0

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

-x=-25

x=-25/-1

x=+25

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