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RUDIKE [14]
3 years ago
5

How to solve x in a step by step response

Mathematics
2 answers:
ivanzaharov [21]3 years ago
5 0

Step 1: Simplify both sides of the equation.<span><span><span>x2</span>−7</span>=9</span><span>Simplify: (Show steps)</span><span><span><span><span>12</span>x</span>−7</span>=9</span>Step 2: Add 7 to both sides.<span><span><span><span><span>12</span>x</span>−7</span>+7</span>=<span>9+7</span></span><span><span><span>12</span>x</span>=16</span>Step 3: Multiply both sides by 2.<span><span>2*<span>(<span><span>12</span>x</span>)</span></span>=<span><span>(2)</span>*<span>(16)</span></span></span><span>x=32</span><span>
</span>
dmitriy555 [2]3 years ago
4 0
X/2 - 7=9
Add 7 to both sides so that it cancels out the -7
x/2= 16
Multiply both sides by 2 so that the only thing remaining on the left side is the variable x.
Final Answer: x=32
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