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Five times the sum of a number and 6 is 45. What is the number?

1 Answer

Kaitlyn S. · EZ as pi

Mar 13, 2018

$x = 3$ $x=3$

Explanation:

$5 (x + 6) = 45$ $5(x+6)=45$

(I'm using $x$ $x$ as the variable to solve for in this equation)

use distribution
$5 x + 30 = 45$ $5x+30=45$

then subtract
$45 - 30 = 15$ $45-30=15$

then divide to solve for $x$ $x$

$15 \div 5 = 3 .$ $15 div 5 = 3.$
therefore, $x = 3 .$ $x=3.$

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