Question

x-y=26
x=3y

substitution method​

Answer 1

Step-by-step explanation:

x=26+y

substituting value of x in equation 2

26+y=3y

26=2y

y=26/2

y=13

substituting value of y

x=26+y

x=26+13

x=39

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Answer 2

x- y= 26 —— 1 equation
X=3y—— 2 equation

x- y= 26
3 y- y =26. [ substitute the value of x from
2 equation]


2 y=26

Y= 26/2

Y= 13


X=3 y

X=3*13

X= 39