Question #18a78

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Answer 1 · 2018-01-18T01:32:23

The answers are $x = 6$ $x=6$ , $y = - 1$ $y=-1$ .

As $y = - x + 5$ $y=-x+5$ , we will first substitute $- x + 5$ $-x+5$ into $y$ $y$ in the $2 x + y = 11$ $2x+y=11$ equation.

$y = - x + 5$ $y=-x+5$
$2 x + (- x + 5) = 11$ $2x+(-x+5)=11$

Then, begin to simplify.

$2 x - x + 5 = 11$ $2x-x+5=11$
$x + 5 = 11$ $x+5=11$
$x = 6$ $x=6$

Next, substitute the $x = 6$ $x=6$ value into either equation, for this example I used the $y = - x + 5$ $y=-x+5$ equation.

$y = - (6) + 5$ $y=-(6)+5$

Again, simplify.

$y = - 6 + 5$ $y=-6+5$
$y = - 1$ $y=-1$

The answer set is:
$x = 6$ $x=6$ , $y = - 1$ $y=-1$