eightball874 eightball874
  • 20-04-2020
  • Mathematics
contestada

4x - 2y =7
X +2y =3
What is x and y ??

Respuesta :

ifex
ifex ifex
  • 20-04-2020

Answer:

x=2. y=1/2

Step-by-step explanation:

4x-2y=7. Equation 1

x+2y=3. Equation 2

Add the two equations

(4x+x) +(-2y+2y) =7+3

5x+0=10

5x=10 divide both sides by 5

X=2

Substitute x=2 in equation 2

2+2y=3

2y=3-2

2y=1. Divide both side by 2

Y=1/2

Answer Link

Otras preguntas

Simplify the following expression. 10a + a
can someone help me? please
will mark brainliest (simple algebra) Write an equation and graph the line given the point: (-4, -6) and slope: 5
Read these lines from "The Raven." And the Raven, never flitting, still is sitting, still is sitting On the pallid bust of Pallas just above my chamber door; In
If the estimated population standard deviation based on previous studies is 20 percent, the acceptable error is plus or minus 5 percent, and the z-value for a 9
The managers of Danestump, a hardware manufacturing company, are expected to follow standing plans before approving long leaves applied by their subordinates. T
Tell why Brian and Brendan relished the chance to explore the medieval castle. Then tell what relished means.​
How does your body make protien?
Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. Speaker B is 2.00 m to the right of speaker A. Consider point Q
An automobile traveling at a rate of 30 ft/sec is approaching an intersection. When the automobile is 120 ft from the intersection, a truck traveling at the rat