chino54 chino54
  • 04-02-2019
  • Mathematics
contestada

Solve 2x+y=3 x+y=5 in substitution method

Respuesta :

Kampe Kampe
  • 06-02-2019
2x+y=3
- x+y=5
---------------
x=-2

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

-2+y=5
y=7

(-2,7)
Answer Link

Otras preguntas

The sum of 12.6, 31, and 5.4 is greater then 20
Simplify: 36÷(–3) + 2(27÷3 x -2).
When writing the equation of a circle on the coordinate plane, use the formula x2 + y2 = 12 only when the center is not on the origin True False
1. Which of the following is a sentence fragment? -Early American writers were mostly men. -Many early American women never. 2. Which element must be added to
Find the length of the radius. Type a numerical value in the space provided. Do not type spaces in your answers,
How should this sentence be changed ?My aunt Debra owns three dogs she wants to get another one
A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling5 cm inside the bag.Calculate the resistive force exerted by the sand
A, B and C are collinear and B is between a and C. The ratio of AB to AC is 3:2. If A is at (4,8) and B is at (7,2) what are the coordinates of point C
2 which events led to the Spanish-American War?
(x^7/8) (x^1/4) Simplify the expression using the properties of exponents