noradaugherty noradaugherty
  • 16-01-2020
  • Mathematics
contestada

Solve the system of equations: y=4x-3, y=-2x+9

Respuesta :

lordsonmyk
lordsonmyk lordsonmyk
  • 16-01-2020

Answer:

y= 5

x= 2

Step-by-step explanation:

y = 4x - 3 ... (1)

y= -2x +9.... (2)

Multiply equation (2) by 2

It becomes;

2y = -4x +18 ...(3)

Add equation (3) and (1)

It becomes;

3y = 15

y = 5.

Substitute y = 5 in equation (1)

It becomes;

5 = 4x -3

Collecting like terms:

4x = 5 + 3

4x = 8

x = 8/4

x = 2

Answer Link

Otras preguntas

What is the slope 3y = -4x+6
1. All utensils should be:
Help! 5) Rotate 90 counterclockwise about the origin. 7) Rotate 90 counterclockwise about the origin. (Im not sure if I’m doing this right)
-8√√x + 1 + 4y³ for x = 15 and y = 2
The value of 2p2+Pn-1 is ?
Patel Enterprises is studying the addition of a new product that would have an expected selling price of Rs 160 and expected variable cost of Rs 100.
See your levels 4) Graph the points (7, 3) and (1, 5) on the coordinate plane. ) Click to graph a point. Click the point again to delete it. 10 9 8 7 6 5 4 3 2
Gladstorm Enterprises sells a product for $50 per unit. The variable cost is $31 per unit, while fixed costs are $14,725. Determine the following: Round your an
PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP​
The length of a rectangle is 8 more than triple the width. If the perimeter is 160 inches find the dimensions.