197=8a-7(1+6a)

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Solution for 197=8a-7(1+6a) equation:


Simplifying
197 = 8a + -7(1 + 6a)
197 = 8a + (1 * -7 + 6a * -7)
197 = 8a + (-7 + -42a)

Reorder the terms:
197 = -7 + 8a + -42a

Combine like terms: 8a + -42a = -34a
197 = -7 + -34a

Solving
197 = -7 + -34a

Solving for variable 'a'.

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

Add '34a' to each side of the equation.
197 + 34a = -7 + -34a + 34a

Combine like terms: -34a + 34a = 0
197 + 34a = -7 + 0
197 + 34a = -7

Add '-197' to each side of the equation.
197 + -197 + 34a = -7 + -197

Combine like terms: 197 + -197 = 0
0 + 34a = -7 + -197
34a = -7 + -197

Combine like terms: -7 + -197 = -204
34a = -204

Divide each side by '34'.
a = -6

Simplifying
a = -6

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