7-4a-2=197-a

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Solution for 7-4a-2=197-a equation:


Simplifying
7 + -4a + -2 = 197 + -1a

Reorder the terms:
7 + -2 + -4a = 197 + -1a

Combine like terms: 7 + -2 = 5
5 + -4a = 197 + -1a

Solving
5 + -4a = 197 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
5 + -4a + a = 197 + -1a + a

Combine like terms: -4a + a = -3a
5 + -3a = 197 + -1a + a

Combine like terms: -1a + a = 0
5 + -3a = 197 + 0
5 + -3a = 197

Add '-5' to each side of the equation.
5 + -5 + -3a = 197 + -5

Combine like terms: 5 + -5 = 0
0 + -3a = 197 + -5
-3a = 197 + -5

Combine like terms: 197 + -5 = 192
-3a = 192

Divide each side by '-3'.
a = -64

Simplifying
a = -64

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