Yahoo Answers: Answers and Comments for Find value? [Mathematics]
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From bill k
enCA
Fri, 06 Dec 2019 06:29:46 +0000
3
Yahoo Answers: Answers and Comments for Find value? [Mathematics]
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From Krishnamurthy: x + y = 100
When x = y
2y = 100
y = 50 and...
https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
Fri, 06 Dec 2019 07:22:46 +0000
x + y = 100
When x = y
2y = 100
y = 50 and x = 50

From Lisa A: YOu have two simultaneous equations in two var...
https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
Fri, 06 Dec 2019 06:44:34 +0000
YOu have two simultaneous equations in two variables/
x=y
x+y=100
So you can take the first equation, and substitute x for y into the second equation.
x + x = 100
2x = 100
x = 100/2
x = 50

From iansand: Substitute x for y
x+x=100
2x=100
Halve both s...
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https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
Fri, 06 Dec 2019 06:33:03 +0000
Substitute x for y
x+x=100
2x=100
Halve both sides
x=50

From Φ² = Φ+1: x + y = 100
x + x = 100 as x = y
2x + 100
x = ...
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https://ca.answers.yahoo.com/question/index?qid=20191206062946AAMqcYQ
Fri, 06 Dec 2019 06:32:26 +0000
x + y = 100
x + x = 100 as x = y
2x + 100
x = 100/2 = 50
and y = x = 50