169=10a-1

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Solution for 169=10a-1 equation:


Simplifying
169 = 10a + -1

Reorder the terms:
169 = -1 + 10a

Solving
169 = -1 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
169 + -10a = -1 + 10a + -10a

Combine like terms: 10a + -10a = 0
169 + -10a = -1 + 0
169 + -10a = -1

Add '-169' to each side of the equation.
169 + -169 + -10a = -1 + -169

Combine like terms: 169 + -169 = 0
0 + -10a = -1 + -169
-10a = -1 + -169

Combine like terms: -1 + -169 = -170
-10a = -170

Divide each side by '-10'.
a = 17

Simplifying
a = 17

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