163=-7(2a-7)-5a

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Solution for 163=-7(2a-7)-5a equation:


Simplifying
163 = -7(2a + -7) + -5a

Reorder the terms:
163 = -7(-7 + 2a) + -5a
163 = (-7 * -7 + 2a * -7) + -5a
163 = (49 + -14a) + -5a

Combine like terms: -14a + -5a = -19a
163 = 49 + -19a

Solving
163 = 49 + -19a

Solving for variable 'a'.

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

Add '19a' to each side of the equation.
163 + 19a = 49 + -19a + 19a

Combine like terms: -19a + 19a = 0
163 + 19a = 49 + 0
163 + 19a = 49

Add '-163' to each side of the equation.
163 + -163 + 19a = 49 + -163

Combine like terms: 163 + -163 = 0
0 + 19a = 49 + -163
19a = 49 + -163

Combine like terms: 49 + -163 = -114
19a = -114

Divide each side by '19'.
a = -6

Simplifying
a = -6

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