Answer:
let's take
y=0
when y=0,
y=x-1
therefore,
0=x-1
when we cross -1 the other side it becomes a positive. so when y=0, x=1.
You get a negative number
-3 + (-10) = -13
Answer:
Additive inverse property
First find the percentage of students who didn't like reading mystery stories.(100-85=15)
If 15% =30students
85%=?
85/15*30=170
Therefore 170 students liked reading mystery stories
<span><span>−<span>3.5<span>(<span>2−<span>3n</span></span>)</span></span></span>−<span>2.5n</span></span>Distribute:<span>=<span><span><span><span><span>(<span>−3.5</span>)</span><span>(2)</span></span>+<span><span>(<span>−3.5</span>)</span><span>(<span>−<span>3n</span></span>)</span></span></span>+</span>−<span>2.5n</span></span></span><span>=<span><span><span><span>−7</span>+<span>10.5n</span></span>+</span>−<span>2.5n</span></span></span>Combine Like Terms:<span>=<span><span><span>−7</span>+<span>10.5n</span></span>+<span>−<span>2.5n</span></span></span></span><span>=<span><span>(<span><span>10.5n</span>+<span>−<span>2.5n</span></span></span>)</span>+<span>(<span>−7</span>)</span></span></span><span>=<span><span>8n</span>+<span>−<span>7</span></span></span></span>