Third choice. hope i gelped
Solutions
Gather like terms
<span /><span><span><span><span><span><span>5</span><span>+</span><span>(</span><span>−</span><span>9</span><span>k</span><span>+</span><span>8</span><span>k</span><span>)</span><span>−</span><span>8</span></span><span /></span></span><span /></span></span>2<span>
</span>
Simplify
<span /><span><span><span><span><span><span>5</span><span>−</span><span>k</span><span>−</span><span>8
</span></span><span /></span></span><span /></span></span>
<span> </span>Simplify
<span /><span><span><span><span><span><span>−</span><span>k</span><span>−</span><span>3</span></span><span /></span></span><span /></span><span>
</span></span>
Answer:
-6
Step-by-step explanation:
x+56+x+136=180
2x+192=180
-192 -192
2x=-12
/2 /2
x=-6
Answer
the 3rd one!
Step-by-step explanation: