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17-02-2017
Mathematics

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The sum of two numbers adds up to 70 and their difference is 26. Write two equations to solve for both values

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17-02-2017

x+y=70
x-y=26

add te equations

x+y=70
x-y=26 +
2x+0y=96

2x=96
divide by 2 both sides
x=48

sub back

x+y=70
48+y=70
minus 48 both sides
y=22

the 2 numbers aer 48 and 22

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