25-b+25-b+25-a+25-a=50

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Solution for 25-b+25-b+25-a+25-a=50 equation:


Simplifying
25 + -1b + 25 + -1b + 25 + -1a + 25 + -1a = 50

Reorder the terms:
25 + 25 + 25 + 25 + -1a + -1a + -1b + -1b = 50

Combine like terms: 25 + 25 = 50
50 + 25 + 25 + -1a + -1a + -1b + -1b = 50

Combine like terms: 50 + 25 = 75
75 + 25 + -1a + -1a + -1b + -1b = 50

Combine like terms: 75 + 25 = 100
100 + -1a + -1a + -1b + -1b = 50

Combine like terms: -1a + -1a = -2a
100 + -2a + -1b + -1b = 50

Combine like terms: -1b + -1b = -2b
100 + -2a + -2b = 50

Solving
100 + -2a + -2b = 50

Solving for variable 'a'.

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

Add '-100' to each side of the equation.
100 + -2a + -100 + -2b = 50 + -100

Reorder the terms:
100 + -100 + -2a + -2b = 50 + -100

Combine like terms: 100 + -100 = 0
0 + -2a + -2b = 50 + -100
-2a + -2b = 50 + -100

Combine like terms: 50 + -100 = -50
-2a + -2b = -50

Add '2b' to each side of the equation.
-2a + -2b + 2b = -50 + 2b

Combine like terms: -2b + 2b = 0
-2a + 0 = -50 + 2b
-2a = -50 + 2b

Divide each side by '-2'.
a = 25 + -1b

Simplifying
a = 25 + -1b

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