12=3y+4y

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Solution for 12=3y+4y equation:


Simplifying
12 = 3y + 4y

Combine like terms: 3y + 4y = 7y
12 = 7y

Solving
12 = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
12 + -7y = 7y + -7y

Combine like terms: 7y + -7y = 0
12 + -7y = 0

Add '-12' to each side of the equation.
12 + -12 + -7y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -7y = 0 + -12
-7y = 0 + -12

Combine like terms: 0 + -12 = -12
-7y = -12

Divide each side by '-7'.
y = 1.714285714

Simplifying
y = 1.714285714

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