a+2b-3=75

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Solution for a+2b-3=75 equation:


Simplifying
a + 2b + -3 = 75

Reorder the terms:
-3 + a + 2b = 75

Solving
-3 + a + 2b = 75

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + a + 3 + 2b = 75 + 3

Reorder the terms:
-3 + 3 + a + 2b = 75 + 3

Combine like terms: -3 + 3 = 0
0 + a + 2b = 75 + 3
a + 2b = 75 + 3

Combine like terms: 75 + 3 = 78
a + 2b = 78

Add '-2b' to each side of the equation.
a + 2b + -2b = 78 + -2b

Combine like terms: 2b + -2b = 0
a + 0 = 78 + -2b
a = 78 + -2b

Simplifying
a = 78 + -2b

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