7a+1=-20

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Solution for 7a+1=-20 equation: 


Simplifying
7a + 1 = -20

Reorder the terms:
1 + 7a = -20

Solving
1 + 7a = -20

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 7a = -20 + -1

Combine like terms: 1 + -1 = 0
0 + 7a = -20 + -1
7a = -20 + -1

Combine like terms: -20 + -1 = -21
7a = -21

Divide each side by '7'.
a = -3

Simplifying
a = -3

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