-1=4-5a

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Solution for -1=4-5a equation:


Simplifying
-1 = 4 + -5a

Solving
-1 = 4 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
-1 + 5a = 4 + -5a + 5a

Combine like terms: -5a + 5a = 0
-1 + 5a = 4 + 0
-1 + 5a = 4

Add '1' to each side of the equation.
-1 + 1 + 5a = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 5a = 4 + 1
5a = 4 + 1

Combine like terms: 4 + 1 = 5
5a = 5

Divide each side by '5'.
a = 1

Simplifying
a = 1

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