Question

Solve the Equation: 2y + 4 = 12​

Answer 1

Answer:

2y + 4 = 12

=> 2y = 12 - 4

=> 2y = 8

=> y = 8/2

=> y = 4

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Answer 2

1st step

Group all constants on the right side of the equation

Subtract 4 from both sides

$2y + 4 = 12 \\ 2y + 4 - 4 = 12 - 4 \\ 2y = 12 - 4 \\ 2y = 8$

Step 2

Isolate the y

Divide both sides of the equation by 2 :

$2y = 8 \\ \frac{2y}{2} = \frac{8}{2} \\ y = \frac{8}{2} \\ y = 4$