39024891 39024891
  • 04-02-2020
  • Mathematics
contestada

What is
2x-y=14
2x+y= -2

Respuesta :

kosala1478
kosala1478 kosala1478
  • 04-02-2020

Step-by-step explanation:

2x-y=14-------(1)

2x+y= -2------(2)

(1) +(2)

2x-y+2x+y=14+(-2)

4x = 12

x = 3

so from------ (1)

2x -(3) = 14

2x = 17

x = 17/2

Answer Link

Otras preguntas

curtis needs 3 L of purple paint. Ratio of red to blue paint is 3:2. find the amt of red and blue paint he needs
a) 2x + 10 = 18 c) 5a - 12 = 23 b) 3(x - 1) = 6 d) 5x = -75​
12x30=12x_x10 what does it mean
what kind of code defines where text breaks to a new paragraph? a) html tag b) css property c) server-side script d) client-side script
Solve x^2= 20 , where x is a real number.
Which of the following trigonometric inequalities has no solution over the interval 0 ≤ x ≤ 2π radians? 1) cos(x) < 1 2) cos(x/2) < 1 3) csc(x) < 1 4)
Find the slope (rate of change) of the line. A. 5 B. -5 C. 1/5 D. -1/5
A driver is 35 feet below sea level . After he swims up 10 feet toward the surface , what is his elevation
Find the exact value of each expression. DO NOT use a calculator. sin 22π/3
What is the intersection point for this system of equations? x + y = 49 .05 + .25y = 8.65