-1=1+4a

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Solution for -1=1+4a equation:


Simplifying
-1 = 1 + 4a

Solving
-1 = 1 + 4a

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 = 1 + 4a + -4a

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

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

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

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

Divide each side by '-4'.
a = -0.5

Simplifying
a = -0.5

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