-1=4a-2b

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Solution for -1=4a-2b equation:


Simplifying
-1 = 4a + -2b

Solving
-1 = 4a + -2b

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-1 + -4a = 4a + -4a + -2b

Combine like terms: 4a + -4a = 0
-1 + -4a = 0 + -2b
-1 + -4a = -2b

Add '1' to each side of the equation.
-1 + 1 + -4a = 1 + -2b

Combine like terms: -1 + 1 = 0
0 + -4a = 1 + -2b
-4a = 1 + -2b

Divide each side by '-4'.
a = -0.25 + 0.5b

Simplifying
a = -0.25 + 0.5b

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