jessicaflick13 jessicaflick13

30-12-2020
Mathematics

contestada

equation 1: 5x + 3y=8
equation 2: 4x + 7y= 34

9x-10y=42 true

Respuesta :

Аноним Аноним

30-12-2020

Answer:

true

Step-by-step explanation:

5x + 4x = 9x

3y + 7y = 10y

8 + 34 = 42

Answer Link

jorel1380 jorel1380

30-12-2020

Answer:

False

Step-by-step explanation:

5x+3y=8

4x+7y=34

Then:

5x+4x+3y+7y=9x+10y

9x+10y=43 not 9x-10y

Answer Link

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