welchbrianna61 welchbrianna61

15-09-2018
Mathematics

contestada

the sum of twice a number and 3 is equal to the sum of the number and 9

Respuesta :

15-09-2018

n - the number

The equation:

2n + 3 = n + 9 |-3

2n = n + 6 |-n

n = 6

Answer Link

Otras preguntas

Thunder and lightning make atoms true or false

explain the circumstances that led to the rise of lenin in the soviet union

Give three examples of how the Civil War and United States industry impacted each other. In other words, what influence did the Civil War have on United States

A rectangle is drawn so that the width is 3 feet shorter than the length. The area of the rectangle is 54 square feet. Find the length of the rectangle.

A defined set of standards that computers must follow in order to communicate properly is known as a

How did New Deal policies help Franklin D. Roosevelt increase the power of the presidency over the federal government?

Insulin is a protein hormone. How would insulin bind to its target cells? Through a receptor on the cell membrane that transduces its signal to the cell's DNA

If ΔABC ∠ΔDEC, what is m∠D? A) 40° B) 150° C) 60° D) 80°

how many real number Solutions does the equation have 0 equals -7 x ^ 2 + 6 x + 3

Miki has a sheet of paper with a length of 104 centimeters and a width of 88 centimeters. She wants to divide it into the largest squares possible without wasti