-2y+21+12=50

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Solution for -2y+21+12=50 equation:


Simplifying
-2y + 21 + 12 = 50

Reorder the terms:
21 + 12 + -2y = 50

Combine like terms: 21 + 12 = 33
33 + -2y = 50

Solving
33 + -2y = 50

Solving for variable 'y'.

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

Add '-33' to each side of the equation.
33 + -33 + -2y = 50 + -33

Combine like terms: 33 + -33 = 0
0 + -2y = 50 + -33
-2y = 50 + -33

Combine like terms: 50 + -33 = 17
-2y = 17

Divide each side by '-2'.
y = -8.5

Simplifying
y = -8.5

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