7-4a=-a-13

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Solution for 7-4a=-a-13 equation:


Simplifying
7 + -4a = -1a + -13

Reorder the terms:
7 + -4a = -13 + -1a

Solving
7 + -4a = -13 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
7 + -4a + a = -13 + -1a + a

Combine like terms: -4a + a = -3a
7 + -3a = -13 + -1a + a

Combine like terms: -1a + a = 0
7 + -3a = -13 + 0
7 + -3a = -13

Add '-7' to each side of the equation.
7 + -7 + -3a = -13 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = -13 + -7
-3a = -13 + -7

Combine like terms: -13 + -7 = -20
-3a = -20

Divide each side by '-3'.
a = 6.666666667

Simplifying
a = 6.666666667

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