nickhadley nickhadley

05-11-2015
Mathematics

contestada

Two numbers are w and 3w - 5. Their sum is 23. Solve the equation w + 3w -5 = 23 to find the numbers.

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davidyangnyc davidyangnyc

05-11-2015

4x-5=23
4x=28
x=7
w=7
3x-5=3(7)-5=21-5=24

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05-11-2015

w + 3w - 5 = 23 +5 +5 (-5 +5 cancels out and equals 0) Like terms. What you do to one side, you do to the other. 4w = 28 ---- --- 4 4 Isolate w by dividing by 4 W = 7

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