If x + y = 65and x - y = 35 then find the value of x and y.
Answer plz...
Answers
Answered by
2
Answer:
x = 50 y = 15
Step-by-step explanation:
x+y = 65 eq.1
x-y = 35 eq.2
eq1 + eq2
= 2x = 100
x = 50
x+y = 65
y = 65-50
y = 15
Answered by
1
Answer:
2x+y=35 ....(1)
3x+4y=65 ....(2)
2×Eqn(2)−3×Eqn(1) we get
6x+8y−6x−3y=130−105
⇒5y=25 or y=525=5
Substitute y=5 in (1) we get
2x+5=35⇒2x=35−5=30
or x=230=15
∴x=15,y=5
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