5a-4(-a-13)=133

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Solution for 5a-4(-a-13)=133 equation:


Simplifying
5a + -4(-1a + -13) = 133

Reorder the terms:
5a + -4(-13 + -1a) = 133
5a + (-13 * -4 + -1a * -4) = 133
5a + (52 + 4a) = 133

Reorder the terms:
52 + 5a + 4a = 133

Combine like terms: 5a + 4a = 9a
52 + 9a = 133

Solving
52 + 9a = 133

Solving for variable 'a'.

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

Add '-52' to each side of the equation.
52 + -52 + 9a = 133 + -52

Combine like terms: 52 + -52 = 0
0 + 9a = 133 + -52
9a = 133 + -52

Combine like terms: 133 + -52 = 81
9a = 81

Divide each side by '9'.
a = 9

Simplifying
a = 9

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