2a-33+a-3=90

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Solution for 2a-33+a-3=90 equation:


Simplifying
2a + -33 + a + -3 = 90

Reorder the terms:
-33 + -3 + 2a + a = 90

Combine like terms: -33 + -3 = -36
-36 + 2a + a = 90

Combine like terms: 2a + a = 3a
-36 + 3a = 90

Solving
-36 + 3a = 90

Solving for variable 'a'.

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

Add '36' to each side of the equation.
-36 + 36 + 3a = 90 + 36

Combine like terms: -36 + 36 = 0
0 + 3a = 90 + 36
3a = 90 + 36

Combine like terms: 90 + 36 = 126
3a = 126

Divide each side by '3'.
a = 42

Simplifying
a = 42

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