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09-12-2020
Mathematics

contestada

2x+y=42
8x+7y=36
Using the process of eliminations.

Respuesta :

lawalrodiyyah lawalrodiyyah

09-12-2020

Answer:

x=43,y=-44

Step-by-step explanation:

hey i hope it helps you

2x+y=42(7)

8x+7y=36(1)

14x+7y=294

8x+7y=36

6x=258

divide both sides by 6

x=43

to get y

2x+y=42

equate x=43

8(43)+7y=36

344+7y=36

344-36=7y

308=7y

divide both sides by 7

y=-44

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