2y + 4 = 3y by trail and error methof
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lets try for 1 as the value of y
2×1 + 4 = 3 × 1
6 is no equal to 3
if y = 2
2×2 + 4 = 8 isn't equal to 6
if y = 3
2×3 +4 = 10 isnt equal to 9
if y = 4
2×4 +4 = 12 = 12
therefore y is equal to 12
2×1 + 4 = 3 × 1
6 is no equal to 3
if y = 2
2×2 + 4 = 8 isn't equal to 6
if y = 3
2×3 +4 = 10 isnt equal to 9
if y = 4
2×4 +4 = 12 = 12
therefore y is equal to 12
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