2a-5b-a+7b=

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Solution for 2a-5b-a+7b= equation:


Simplifying
2a + -5b + -1a + 7b = 0

Reorder the terms:
2a + -1a + -5b + 7b = 0

Combine like terms: 2a + -1a = 1a
1a + -5b + 7b = 0

Combine like terms: -5b + 7b = 2b
1a + 2b = 0

Solving
1a + 2b = 0

Solving for variable 'a'.

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

Add '-2b' to each side of the equation.
1a + 2b + -2b = 0 + -2b

Combine like terms: 2b + -2b = 0
1a + 0 = 0 + -2b
1a = 0 + -2b
Remove the zero:
1a = -2b

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

Simplifying
a = -2b

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