jayy162 jayy162

22-01-2018
Mathematics

contestada

Four times one number added to another number is 36. three times the first number minus the other number is 20. find the numbers.

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texaschic101 texaschic101

22-01-2018

x = 1st number and y = 2nd number

4x + y = 36
3x - y = 20
----------------add
7x = 56
x = 56/7
x = 8 <== ur 1st number

4x + y = 36
4(8) + y = 36
32 + y = 36
y = 36 - 32
y = 4 <== ur 2nd number

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