naturalify120 naturalify120
  • 22-01-2022
  • Mathematics
contestada

X +y=5, 3x-2y+5=0, this is the question​

Respuesta :

Toluwalaseandife
Toluwalaseandife Toluwalaseandife
  • 22-01-2022

Step-by-step explanation:

x+y=5

3x-2y+5=0

3x-2y= -5

x+y=5...... equation 1

3x-2y= -5....... equation 2

there fore make x the subject of the formula in equation 1

x=5-y.. equation 3

substitute equation three in equation 2

3(5-y)-2y=-5

15y-3y-2y=-5

10y=-5

divide both sides by 10

y=-5/10

y=-½

substitute y into equation 1

x+(-½)=5

x=5+½

x=5½

x=5½,y= -½

Answer Link

Otras preguntas

Evaluate the expression for x = 15. X - 5 =
A department store is holding a drawing to give away free shopping sprees there are nine customers who have entered the drawing two live in the town of Gaston 5
What is the base of the expression 9 Superscript 12? 3 9 12 21
To solve the equation, -6(x + 2) = 30, you can distribute the negative number and then use the
Explain how rays AB and AC form both a line and an angle
please someone help me, whats your opinion on the short story the seventh man?
State the mathematical expression of gas law equation. ​
A city's budget is set by the councils of government b. commissioner's court C mayor or council d governor Please select the best answer from the choices provid
Please help! In the figure, b and c are parallel lines. Which of the following statements are true? 1.Joe claims the measure of angle 3 is equal to 90 degrees
Which of the following countries has low life expectancy? Maldives Russia Australia Spain