yokwegram00
yokwegram00 yokwegram00
  • 25-01-2017
  • Mathematics
contestada

Please explain : y = -x + 8. y = 4x - 7 solve system of equation?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-01-2017
since both equatl y set them equal toeach other

8-x=y=4x-7
8-x=4x-7
add x both sides
8=5x-7
add 7 to both sides
15=5x
divide by 5
3=x

sub back

y=-x+8
y=-3+8
y=5

the solution is
(x,y)
(3,5)


Answer Link
dnso dnso
  • 25-01-2017
I thin x=3 and y=5. If I have enough time I will include the steps
Answer Link

Otras preguntas

A car travelling at 79.3 Km/h on a highway has 4.22x10 5 J of kinetic energy.a. What is the mass of the car?b. If brakes are applied with a force of 2100 N, wha
which organelle could be used to distinguish between a plant cell and an animal cell?
Answer The question in the picture *MATH* DUE NOW PLEASE HELP ME ,I WILL BRAINELIST
Use sacrosanct in a sentence
What id the value of x?
Mike _______ only four courses this semester. * Option 3 take takes is taking
Cual es el IMC de Santiago si tienen 38 años, pesa 74kg, mide 1.79m. *
In the figure line m is parallel to line n if m angle 3 = (7x-10) and m angle 6=(5x+10) What are the measures of angle 3 and angle 6
Help me to answer this​
When a firm decides to combine multiple modes of transportation to complete a single long-distance movement of freight,