Answer:
Step-by-step explanation:
A. k/5 = 3: Isolate k by multiplying both sides of this equation by 5:
k = 15
B. 3.5d = 70; Divide both sides by 3.5, obtaining d = 20
C. 4 1/2 = 1 1/2n; Rewrite 4 1/2 and 1 1/2 as improper fractions:
9/2 = (3/2)n. Now multiply both sides by (2/3): 3 = n
<span><span>(<span>x<span><span>2</span><span></span></span></span>−2<span>x<span><span>2</span><span></span></span></span>)+(4x+5x)+6</span><span>this is your answer
</span><span><span>−<span>x<span><span>2</span><span></span></span></span>+9x+6</span><span>
</span></span></span>
The second row in the answer
I got x=11 and x= negative 4 hope dis helped