Question

solve
X + Y =52,
X + 1.5y = 90​

Answer 1

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Answer 2

Answer:

x + y = 52

=> x=52- y --------eq 1

X + 1.5y = 90

substituting eq 1

52 - y +1.5y = 90

52 - 0.5y = 90

-0.5y = 90 - 52

-y = 38/0.5

y= -38 x 1/2 =>-29

y= -29

substituting y in eq 1

x = 52 - (-29)

x = 52 + 29

x = 81