Two numbers are w and 3w - 5. Their sum is 23. Solve the equation w + 3w -5 = 23 to find the numbers.
2 answers:
4x-5=237 24
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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