-7-a=3a+1

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Solution for -7-a=3a+1 equation:


Simplifying
-7 + -1a = 3a + 1

Reorder the terms:
-7 + -1a = 1 + 3a

Solving
-7 + -1a = 1 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-7 + -1a + -3a = 1 + 3a + -3a

Combine like terms: -1a + -3a = -4a
-7 + -4a = 1 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + -4a = 1 + 0
-7 + -4a = 1

Add '7' to each side of the equation.
-7 + 7 + -4a = 1 + 7

Combine like terms: -7 + 7 = 0
0 + -4a = 1 + 7
-4a = 1 + 7

Combine like terms: 1 + 7 = 8
-4a = 8

Divide each side by '-4'.
a = -2

Simplifying
a = -2

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