If the addends are 170 and 130, then what is the sum?

Mathematics

2 answers:

SpyIntel [72]3 years ago

7 0

I add them together u will get 300 as the sum

jeyben [28]3 years ago

5 0

The sum of 170 and 130 is 300. Simply add the addends and you'll get the sum.

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andriy [413]

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If you lost "y" in the first equation.

$\underline{+\left\{\begin{array}{ccc}2x-3y=14\\-x+3y=-6\end{array}\right}\qquad\text{add both sides of the equations}\\\\.\qquad x=8\\\\\text{Put the value of x to the first equation:}\\\\2(8)-3y=14\\16-3y=14\qquad\text{subtract 16 from both sides}\\-3y=-2\qquad\text{divide both sides by (-3)}\\y=\dfrac{2}{3}\\\boxed{x=8,\ y=\dfrac{2}{3}}$

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