jaytocute22
jaytocute22 jaytocute22
  • 25-06-2017
  • Mathematics
contestada

4(x+x+7)-2x+7-4 by substituting x=1 and x=2

Respuesta :

BetterPumpkins BetterPumpkins
  • 25-06-2017
4(x+x+7) x=1
4(1+1+7)
4+4+28 = 36

(-2x+7-4) x=2
-2(2)+7-4
-4+7-4 = -1

Answer Link
Nick911 Nick911
  • 25-06-2017
4(x+x+7)-2x+7-4
Substitute x with 1
4(1+1+7)-2(1)+7-4
=4(2+7)-2+7-4
=4(9)-2+7-4
=36-2+7-4
=34+7-4
=41-7
=34

4(x+x+7)-2x+7-4
Substitute x with 2
4(2+2+7)-2(2)+7-4
=4(4+7)-4+7-4
=4(11)-4+7-4
=44-4+7-4
=40+7-4
=47-4
=43. Hope it help!
Answer Link

Otras preguntas

6 to the 2nd power ÷ 2 ( 3 ) + 4 =
Equation A y = 4/x + 3 Equation B y = −2x − 4 Which statement best compares the graphs of the two equations?A: both are linearB: both are non-linearC: Equatio
prewriting is valuable because it
How did the events surrounding the Bonus Army in 1932 affect people’s attitudes? More Americans wanted MacArthur to be president. More Americans disliked Hoover
multiply 3x 2)(4x - 7)
which of the following equals 6,000,000 in scientific notation/
Solve for x: −4|x + 5| = −16
Which words in the sentence are the complete noun clause? In her math course, Jenna learned what fractions mean. A. fractions mean B. Jenna learned what C.
80 questions how many can I get wrong to get 75%
a triangle cannot have more than one obtuse angle true or false