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>
Answer:
420,000
Step-by-step explanation:
If 140,000 is 
of what she had yesterday, then you just multiply the number by 3 because times 3 is 
, which is 1.
3x4=12 1x12=12 6x2=12
You just need to be able to multiply the sides to equal 12. I hope that helps. :)
I believe the answer is a
A graphing calculator is a great help for problems of this nature.
x ∈ {-5.63, -0.55, 2.59}
