<span><em />
3x+y=5</span>
<span /><span>2x-2y=22 ...............2(x-y)=22 ⇒ x-y=11</span><span><em /></span>
<span><em>3x+y=5</em></span>
<span /><span><em><u>x-y=11 </u> </em>(+)</span>
<span />3x+x+y-y=11+5
<span>4x=16 /:4</span>
<span /><em>x=4</em>
x-y=11
4-y=11
-y=7 /*(-1)
<em>y=-7</em>
<span><em></em></span>
Answer:
I think -7; +1
(sorry if I write this but the answer must be at least 20 characters long)
Long division here. Divide h^2+3h-10 by h-2 to get h+5. That means when you multiply h-2 by h+5, you get what you started with, h^2+3h-10
Answer:
aaa
Step-by-step explanation:
Answer:
$15
Step-by-step explanation:
First you move the decimal in the percent 2 times to the left and get .25. And then you multiply that by 60 and get 15.