Mathematics: In the system of equations below, I want to eliminate the variable y. 3x + 5y = 2 6x - 10y = -16 The first step to solving this system of equations is multiplying the first equation by a number other than -1. Which number would that be? The answer choices are.. -2 5 -5 2 0 -5 2.

In the system of equations below, I want to eliminate

shamika109p61p5s

14.02.2022

(x,y)=(-1,1)

Step-by-step explanation:

Given that,

3x + 5y = 2 .....(1)

6x - 10y = -16 ....(2)

Finding the value of x from equation (1).

$x=\dfrac{2-5y}{3}$

Put the value of x in equation (2)

$6(\dfrac{2-5y}{3}) - 10y = -16\\\\2(2-5y)-10y=-16\\\\4-10y-10y=-16\\\\-20y=-16-4\\\\y=1$

Put the value of y in equation (1) :

$3x + 5(1) = 2\\\\3x=2-5\\\\3x=-3\\\\x=-1$

So, the solution of the equations is (-1,1).

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brandisouthern9

04.12.2021

hope this helps.

btw I used synthetic decision method

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