.40n+.50n=220

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Solution for .40n+.50n=220 equation:


.40n+.50n=220

We simplify the equation to the form, which is simple to understand 
.40n+.50n=220

We move all terms containing n to the left and all other terms to the right. 
 + 0.4n + 0.5n=+220

We simplify left and right side of the equation. 
 + 0.9n=+220

We divide both sides of the equation by 0.9 to get n. 
n=244.444444444

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