Question

sloveelimination methods 2X+2Y=5 ,AND 2X-3Y=-4
answer​

Answer 1

Step-by-step explanation:

First, we need to make the coefficients of any one variable same as the other equation. In this case, the coefficients of the x variable of both the equations are the same. Then, we can subtract it. This is the elimination method. You have to eliminate a variable form the equation to find the value of the other equation that is suitable for both equations. You can either subtract or add the equations, in order to eliminate a variable. In this case, the coefficients of x of both equations has the same sign (+). So, we can subtract. If one of them had a different sign, like one with (+) and the other (-), then we can add them, but the coefficients have to be equal.

2x+2Y=5

-(2x+3Y= -4)

Removing the bracket

-Y=9

Y= -9

2X+ 3× -9= -4

2X-27= -4

2X= -4+27

2X= 23

X= 23/2

Answer:

The Answer is X= 23/2

Y= -9

Answer 2

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