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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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Sep 14, 2018
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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
Mathematics
middle-school
Daniel Marbach
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Daniel Marbach
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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
Shawn Tabrizi
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Sep 18, 2018
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Shawn Tabrizi
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