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vova2212 [387]
3 years ago
8

Show work for (13x+10y)-3(6x-7y)

Mathematics
1 answer:
larisa [96]3 years ago
5 0
<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>
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