7+14=10y-12-9y

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Solution for 7+14=10y-12-9y equation:


Simplifying
7 + 14 = 10y + -12 + -9y

Combine like terms: 7 + 14 = 21
21 = 10y + -12 + -9y

Reorder the terms:
21 = -12 + 10y + -9y

Combine like terms: 10y + -9y = 1y
21 = -12 + 1y

Solving
21 = -12 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
21 + -1y = -12 + 1y + -1y

Combine like terms: 1y + -1y = 0
21 + -1y = -12 + 0
21 + -1y = -12

Add '-21' to each side of the equation.
21 + -21 + -1y = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -1y = -12 + -21
-1y = -12 + -21

Combine like terms: -12 + -21 = -33
-1y = -33

Divide each side by '-1'.
y = 33

Simplifying
y = 33

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