33=15-2a

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Solution for 33=15-2a equation:


Simplifying
33 = 15 + -2a

Solving
33 = 15 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
33 + 2a = 15 + -2a + 2a

Combine like terms: -2a + 2a = 0
33 + 2a = 15 + 0
33 + 2a = 15

Add '-33' to each side of the equation.
33 + -33 + 2a = 15 + -33

Combine like terms: 33 + -33 = 0
0 + 2a = 15 + -33
2a = 15 + -33

Combine like terms: 15 + -33 = -18
2a = -18

Divide each side by '2'.
a = -9

Simplifying
a = -9

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