13-a+4a=-30

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Solution for 13-a+4a=-30 equation:


Simplifying
13 + -1a + 4a = -30

Combine like terms: -1a + 4a = 3a
13 + 3a = -30

Solving
13 + 3a = -30

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 3a = -30 + -13

Combine like terms: 13 + -13 = 0
0 + 3a = -30 + -13
3a = -30 + -13

Combine like terms: -30 + -13 = -43
3a = -43

Divide each side by '3'.
a = -14.33333333

Simplifying
a = -14.33333333

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