-1=-6.87+a

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Solution for -1=-6.87+a equation:


Simplifying
-1 = -6.87 + a

Solving
-1 = -6.87 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-1 + -1a = -6.87 + a + -1a

Combine like terms: a + -1a = 0
-1 + -1a = -6.87 + 0
-1 + -1a = -6.87

Add '1' to each side of the equation.
-1 + 1 + -1a = -6.87 + 1

Combine like terms: -1 + 1 = 0
0 + -1a = -6.87 + 1
-1a = -6.87 + 1

Combine like terms: -6.87 + 1 = -5.87
-1a = -5.87

Divide each side by '-1'.
a = 5.87

Simplifying
a = 5.87

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