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Irina-Kira [14]
3 years ago
9

Subtract the two expressions. 2b + 4 from -8b - 12

Mathematics
2 answers:
Sedbober [7]3 years ago
4 0
(2b+4)-(-8b-12) = 10b - 8
Artyom0805 [142]3 years ago
3 0
<span>=<span><span><span><span>2b</span>+4</span>+<span>8b</span></span>+12</span></span>Combine Like Terms:<span>=<span><span><span><span>2b</span>+4</span>+<span>8b</span></span>+12</span></span><span>=<span><span>(<span><span>2b</span>+<span>8b</span></span>)</span>+<span>(<span>4+12</span>)</span></span></span><span>=<span><span>10b</span>+16</span></span>Answer:<span>=<span><span>10b</span>+16</span></span>
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Step-by-step explanation:

In order to solve this you need to create a system of equations, with two values that will create the answer we are looking for, the thing that we don't know here is how many of each are we buying so the number of silver magnetic spheres will be represented by "y" and the brass magnetic spheres will be represented by "x".

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