delayedfriday delayedfriday
  • 02-03-2016
  • Mathematics
contestada

Solve each system using substitution:
2x+2y=38
y=x+3

Respuesta :

hworonie hworonie
  • 02-03-2016
2x+2(x+3)=38
2x+2x+6=38
4x+6=38
4x=32
x=8

y=8+3
y=11
Answer Link
Exvited
Exvited Exvited
  • 02-03-2016
[tex]2x+2y=38 \\ y = x + 3 \\ \\ \\ 2x+ 2 (x + 3) = 38 \\ \\ 2x + 2(x + 3) \\ \\ 2x + 2x + 6 \\ \\ 4x + 6 \\ \\ 4x + 6 = 38 \\ \\ 4x + 6 - 6 = 38 - 6 \\ \\ 4x = 32 \\ \\ \frac{4x}{4} = \frac{32}{4} \\ \\ x = 8 \\ \\ y = 11 \\ \\ [/tex]

The final result is: x = 8 and y = 11.
Answer Link

Otras preguntas

what in the complementary DNA strand ATGCATTAACCCGGGATC
__C+_SO2—_CS2 + __CO
The lateral surface area is _ square centimeters.
I need help please, I will give brainliest to the first 2 people
I WILL GIV BRAINLYIST Sort the sentences based on the type of relationship they describe. Sea lampreys hatch eggs on fish and feed on the fish. Clown fish help
explain why cattle branding is important to the farming and ranching industry.
Find the values of x and y that make these triangles congruent by the HL Theorem
art teacher has 450 sheets of construction paper on first day of school. students used 18 sheets during each school day. how many school days did the constructi
Write the equation of a line parallel to f(x)=1/2x+1 and passing through the point (-5, -2).
The difference between three times a number and 5 is 10.