layamuska layamuska

14-11-2017
Mathematics

contestada

Which of the following, when substituted for the variable, makes the equation 3x - 5 = 7 true?

Respuesta :

chrysanthemum chrysanthemum

14-11-2017

3x - 5 = 7
3k = 12
k = 4

3(4) - 5 = 7
12 - 5 = 7
7 = 7

Hope this helps.

Answer Link

Otras preguntas

What does the line 5x + 2y = 8 look like?

What happens to the volume of a cube if the length of an edge is doubled?

You receive an 18% discount on a purchase that would have normally cost $350.00. How much did you spend on the purchase before tax?

Write a 5 sentence paragraph in Spanish describing how you write and mail a letter. You need to use the vocabulary words learned in this module, and it needs to

What is the rule for finding the coordinates of an image reflected over the line y= -x ? A. (x,y) to (-y,-x) B. (x,y) to (y,x) C. (x,y) to (y,-x) D. (x,y) to (x

Samantha wants to use her savings of $1150 to buy shirts and watches for her family. The total price of the shirts she bought was $84. The watches cost $99 each

Which one of the following statements regarding the Plowman and Knight in The Canterbury Tales is true? A. The Plowman's tale won the contest. B. The interpreta

For the function y=-2+5sin(pi/12)(x-2) what is the maximum value

3. Work and Conservation of Energy:Calculate the height of a building if 20,000 J energy is required to 200 kg of water from a wellto a tank on the top of the b

Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any of the genes on either of her X c