cecilia345 cecilia345

04-05-2021
Mathematics

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solve y=x-2 and x+y=12 using substitution

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Аноним Аноним

04-05-2021

Step-by-step explanation:

y=x-2....eqn1

x+y=12.....eqn2

now,

from eqn 1

y= x-2

again, putting value of y in eqn 2

x+y=12
x+x-2=12
2x=12+2
x=14/2
x=7

in eqn 1

y=x-2
y=7-2
y=5

hope it helps..

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