jev5783 jev5783
  • 09-06-2021
  • Mathematics
contestada

I've only learned how to solve for a single variable. :')

Ive only learned how to solve for a single variable class=

Respuesta :

aniette65
aniette65 aniette65
  • 09-06-2021

Answer:brainliest plsssss

Step-by-step explanation:

1/2x+15=x

X+30=2x

30=2x-x

30=x

Number of girls in class

30-12=18

☆ the number of girls in his class are 18

Answer Link

Otras preguntas

Mark got a 20% raise for his salary. If this salary was $1,800, what is his new salary
What is the opposite of osmosis
Solving for Y. Write the following equations in slope-intercept form. 1) 3x-2y= -16 2) 9x - 7y = -7 3) x - 3y = 6
what color would Vegetable oil when in contact with Copper Sulfate and Sodium hydroxide? I have no idea what color it would be.
What is Saint Jeromes feast day?
I have 12 shirts, 4 pairs of shoes, 5 pants, and 3 watches. How many days can I go without wearing the same 4 items
Nine is more than twice n.
After Jamestown grew and became more prosperous, what was its name?
What is a group of words that begins with a preposition and ends with an object? A. Adverbial Phrase B. Dependent Clause C. Prepositional Phrase D. Prepositio
Some persuasive texts rely on common but faulty forms of reasoning. Which term refers to these faulty ways of reasoning? A. emotional appeals B. biased argument
good job