Solve the equations with one variable for an explicit value (or values) of the unknown:
2y —y — 4 = 3y — 4
2y —y = 3y --4 + 4 Added 4 to both sides
2y —y —3y = 0 Added —3y to both sides
— 2y = 0 Collected terms
(— 2y / —2) = 0 / —2 Divided by —2
y = 0 Simplified
y= 0 This is the solution.
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