Question

find 2x+3y=11,2x-4y=-22 find x and y by substitution method​

Answer 1

Answer:

one term are equal of x and put the value of x so find y value

Step-by-step explanation:

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Answer 2

Answer:

x=-11/7

y=33/7

Step-by-step explanation:

2x+3y= 11

2x-4y=-22

- + + (sign change)

0+7y=33

y=33/7

2x=11-3×33/7

2x=11-99/7

2x=(77-99)/7

x=-22/7×2

x=-22/14

x=-11/7