57=-6-7a

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Solution for 57=-6-7a equation:


Simplifying
57 = -6 + -7a

Solving
57 = -6 + -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.
57 + 7a = -6 + -7a + 7a

Combine like terms: -7a + 7a = 0
57 + 7a = -6 + 0
57 + 7a = -6

Add '-57' to each side of the equation.
57 + -57 + 7a = -6 + -57

Combine like terms: 57 + -57 = 0
0 + 7a = -6 + -57
7a = -6 + -57

Combine like terms: -6 + -57 = -63
7a = -63

Divide each side by '7'.
a = -9

Simplifying
a = -9

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