21a-7b+2a-12b=

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Solution for 21a-7b+2a-12b= equation:


Simplifying
21a + -7b + 2a + -12b = 0

Reorder the terms:
21a + 2a + -7b + -12b = 0

Combine like terms: 21a + 2a = 23a
23a + -7b + -12b = 0

Combine like terms: -7b + -12b = -19b
23a + -19b = 0

Solving
23a + -19b = 0

Solving for variable 'a'.

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

Add '19b' to each side of the equation.
23a + -19b + 19b = 0 + 19b

Combine like terms: -19b + 19b = 0
23a + 0 = 0 + 19b
23a = 0 + 19b
Remove the zero:
23a = 19b

Divide each side by '23'.
a = 0.8260869565b

Simplifying
a = 0.8260869565b

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