caseyy445
caseyy445 caseyy445
  • 12-12-2019
  • Mathematics
contestada

Question 3
Solve this system by using the elimination method.
4x + 2y = 8
5x + 3y = 9

Respuesta :

Yang100
Yang100 Yang100
  • 13-12-2019

Answer:

x=3, y=-2. (3, -2).

Step-by-step explanation:

4x+2y=8

5x+3y=9

---------------

simplify 4x+2y=8 into 2x+y=4

-----------------

2x+y=4

5x+3y=9

----------------

y=4-2x

5x+3(4-2x)=9

5x+12-6x=9

-x=9-12

-x=-3

x=3

2(3)+y=4

6+y=4

y=4-6

y=-2

Answer Link

Otras preguntas

Mountain range that divides europe and asia
How to I solve it question I just sent
Based on the second law of thermodynamics, how would you expect a system to change over time? A.It would become more organized B.Its randomness would increase C
How internal membranes and organelles contribute to cell functions
Help, please!!! 1. A literary work or technique that describes secondary or symbolic meaning to characters, events, objects, and ideas. Allegory Chivalric Roman
What conditions are responsible for magma formation?
3/4 of a pan of brownies was sitting on the counter.Paul decided to eat 1/3 if the brownies in the pan.How much of the whole pan of brownies did Paul eat? plz m
Mark noticed that his bus is late to school 5% of the time. He wants to design a spinner he can use to simulate the situation and determine the probability that
Which number line shows the solution set for |p-3| = 9
help ! and please explain it (: ​