12*1+3y=15

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Solution for 12*1+3y=15 equation: 


Simplifying
12 * 1 + 3y = 15

Multiply 12 * 1
12 + 3y = 15

Solving
12 + 3y = 15

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + 3y = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = 15 + -12
3y = 15 + -12

Combine like terms: 15 + -12 = 3
3y = 3

Divide each side by '3'.
y = 1

Simplifying
y = 1

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