-77=3-10a

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Solution for -77=3-10a equation:


Simplifying
-77 = 3 + -10a

Solving
-77 = 3 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
-77 + 10a = 3 + -10a + 10a

Combine like terms: -10a + 10a = 0
-77 + 10a = 3 + 0
-77 + 10a = 3

Add '77' to each side of the equation.
-77 + 77 + 10a = 3 + 77

Combine like terms: -77 + 77 = 0
0 + 10a = 3 + 77
10a = 3 + 77

Combine like terms: 3 + 77 = 80
10a = 80

Divide each side by '10'.
a = 8

Simplifying
a = 8

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