phayjones28
phayjones28 phayjones28
  • 21-03-2020
  • Mathematics
contestada

if x=5 and y= -4, evaluate this expression: (-2x +10) - (-6x + 5y + 12) + (x +8y - 16)

Respuesta :

miljanamilovanovic12
miljanamilovanovic12 miljanamilovanovic12
  • 21-03-2020

Answer:

The value of the expression is - 5.

Step-by-step explanation:

(-2x +10) - (-6x + 5y + 12) + (x +8y - 16)=

-2x+10+6x-5y-12+x+8y-16=

(-2x+6x+x)+(-5y+8y)+(10-12-16)=

5x+3y-18

if x=5 and y=-4 then

5*5+3*(-4)-18=25-12-18=25-30=-5

Answer Link

Otras preguntas

GEOMETRY, pls help!!!
Test!!! HELP The system of connected agencies, employes, and commissions that compose the national government are known as the (blank) A: federal coalitions B
When, in Ida B. Wells's reporting, white men in the 1890s said that they had to lynch black men to teach them a lesson, for what reason did they claim such a le
17 Select the correct answers. Which three reasons state why it’s important to practice giving a presentation in front of friends? to get rid of nervousness and
6/7 is in simplest form. True or False
Which challenges most contributed to unrest in Russia in the early 1900s
Heather must prove this theorem: If a quadrilateral is a parallelogram, then the opposite sides are congruent.
A sofa is on sale for $816, which is 15% less than the regular price. What is the regular price?
What did the reunification of Germany illustrate about the Soviet Union? A. that it sought better relations and a lasting peace with the United States. B. that
Will be giving out brainliest to whoever can answer this first