mycraziyoyo mycraziyoyo
  • 02-12-2020
  • Mathematics
contestada

Equations
6) 2x + 3y = -1
3x + 4y = -4

Respuesta :

felipegomes220
felipegomes220 felipegomes220
  • 02-12-2020

Answer:

x = -8

y = 5

Step-by-step explanation:

2x = -3y-1

x = (-3y-1)/2

3x + 4y = -4

3[(-3y-1)/2]+4y = -4

(-9y-3/2)+4y = -4 (x2 all)

-9y-3+8y = -8

-9y+8y = -8+3

-y = -5

y = 5

3x+4.5 = -4

3x+20 = -4

3x = -24

x = -8

checking:

2.(-8)+3.5 = -1

-16+15 = -1 (checked)

Answer Link

Otras preguntas

I dont understand the equation?
Now it is time to write about some of the texts you’ve read and studied! So far in this unit, you have examined the following works: “I dwell in Possibility,” “
Solve four sixths plus one third six sixths or 1 seven sixths five thirds twelve sixths or 2
It’s black history month, WHERE ARE MY REPARATIONS?
Who is the speaker of this poem? O an observer, like a fly on the wall the old woman o the old man the plates
:) i need help with this, work not needed
A 70.7 kg high jumper leaves the ground with a vertical velocity of 6.7 m/s. How high can he jump? The acceleration of gravity is 9.8 m/s^2. Answer in units of
hcf of 738, 1080 and 1332.​
Pls help! The equilibrium price for this market is (point) O$20 O $40 O $30 O $10
what is 3x [8 divided by (4-2)]