<span>(13x+10y)-3(6x-7y)
</span>Distribute:<span>=<span><span><span><span>13x</span>+<span>10y</span></span>+<span><span>(<span>−3</span>)</span><span>(<span>6x</span>)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(<span>−<span>7y</span></span>)</span></span></span></span><span>=<span><span><span><span><span>13x</span>+<span>10y</span></span>+</span>−<span>18x</span></span>+<span>21y
</span></span></span>Combine Like Terms:<span>=<span><span><span><span>13x</span>+<span>10y</span></span>+<span>−<span>18x</span></span></span>+<span>21y</span></span></span><span>=<span><span>(<span><span>13x</span>+<span>−<span>18x</span></span></span>)</span>+<span>(<span><span>10y</span>+<span>21y</span></span>)</span></span></span><span>=<span><span>−<span>5x</span></span>+<span>31y
</span></span></span>Answer:<span>=<span><span>−<span>5x</span></span>+<span>31<span>y</span></span></span></span>
X = 5
Explanation:
5x-5 = 0 (add 5 to both side)
5x = 5 (divide 5 from both sides)
x=1
Answer:
The area of the triangle is 72 ft^2.
Step-by-step explanation:
Since A = (1/2)(base)(height),
if base = 9 ft and height = 16 ft, then
A = (1/2)(base)(height) = (1/2)(9 ft)(16 ft) = 72 ft^2.
