Adding

Divide number 135 into two additions so that one adds 30 more than 2/5 of the other add. Write the bigger one.

Correct result:

a =  75
b =  60

Solution:


135 = a+b
b = 30 + 2/5•a

a+b = 135
2a-5b = -150

a = 75
b = 60

Our linear equations calculator calculates it.



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