jaramillo310p95ld1 jaramillo310p95ld1
  • 03-09-2018
  • Mathematics
contestada

Jen solved the equation 100-1/2x=92 to determine the number of questions, x , she answered incorrectly on a text

Respuesta :

Matheng
Matheng Matheng
  • 03-09-2018

The given equation is ⇒ 100 - (1/2) x = 92

100 - (1/2) x = 92  ⇒ Add (-100) to both sides

-100 + 100 - (1/2) x = 92 - 100

∴ -(1/2) x = -8           ⇒ Multiply both sides by (-2)

∴ -2 * (-1/2) x = -8 x -2

∴ x = 16


So, the value of  x will be equal 16

Answer Link

Otras preguntas

2 = 18 p +10 Absolute value equations
please help me thank you​
The scale of a map is 1 cm​ : 76 km. What is the actual distance between two towns that are 5 cm apart on the​ map?
Solve for the indicated variable. Include all of your work in your answer. Submit your solution.A=h/2(a=b);solve for h
Help pls im failing this class :(
an inclined plane makes it easier by _____ the distance and decreasing the force
Find the general solution of the Bernoulli differential equation: y' + 4y = xy^4. Use lower case c for the constant in answer.
5 examples of each chemical properties, physical properties, chemical changes, and physical changes.
simplify the expression 7+10X-7+7X=
show the inequality for x. Show each step of the solution 12x>7(4x+5)-19