x + y = 8 and × - y = 5 find x
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Answer:
6.5
Step-by-step explanation:
x + y = 8
x - y = 5
________. by elimination method
2x =13
x=6.5
hope it helps
Answer:
x+y=8 ----------(1)
x-y=5 ----------(2)
(1)+(2)
2x=8+5=13
x=13/2=6.5
x=6.5
(1)-(2)
2y=8-5
2y=3
y=1.5
therefore, x=6.5, y=1.5