-21a+28a-6=92

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Solution for -21a+28a-6=92 equation:


Simplifying
-21a + 28a + -6 = 92

Reorder the terms:
-6 + -21a + 28a = 92

Combine like terms: -21a + 28a = 7a
-6 + 7a = 92

Solving
-6 + 7a = 92

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 7a = 92 + 6

Combine like terms: -6 + 6 = 0
0 + 7a = 92 + 6
7a = 92 + 6

Combine like terms: 92 + 6 = 98
7a = 98

Divide each side by '7'.
a = 14

Simplifying
a = 14

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