Step 1: Subtract 3x from both sides.
−x+7=−52
Step 2: Subtract 7 from both sides.<span><span><span><span>
−x</span>+7</span>−7</span>=<span><span>−52</span>−7</span></span><span><span>
−x</span>=<span>−59</span></span>
Step 3: Divide both sides by -1.<span><span><span>
<span><span>−x</span><span>−1</span></span></span></span>=<span><span><span><span>−59</span><span>−1</span></span></span></span></span><span>
x=59</span>
Step-by-step explanation:
Let the number is x. Its reciprocal will be 1/x. According to given condition, we get :

It is a quadratic equation. The values of x are :

The smaller number is 4/5 and the larger number is 5/4.
Answer:
12 centimeters
Step-by-step explanation:
The triangle is half of an equilateral one. So the hypotenuse is double the minor leg
12 centimetres