-1-5a=-7a-7

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Solution for -1-5a=-7a-7 equation:


Simplifying
-1 + -5a = -7a + -7

Reorder the terms:
-1 + -5a = -7 + -7a

Solving
-1 + -5a = -7 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-1 + -5a + 7a = -7 + -7a + 7a

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

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

Add '1' to each side of the equation.
-1 + 1 + 2a = -7 + 1

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

Combine like terms: -7 + 1 = -6
2a = -6

Divide each side by '2'.
a = -3

Simplifying
a = -3

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