13-2(a-8)=12+5a-28

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Solution for 13-2(a-8)=12+5a-28 equation:


Simplifying
13 + -2(a + -8) = 12 + 5a + -28

Reorder the terms:
13 + -2(-8 + a) = 12 + 5a + -28
13 + (-8 * -2 + a * -2) = 12 + 5a + -28
13 + (16 + -2a) = 12 + 5a + -28

Combine like terms: 13 + 16 = 29
29 + -2a = 12 + 5a + -28

Reorder the terms:
29 + -2a = 12 + -28 + 5a

Combine like terms: 12 + -28 = -16
29 + -2a = -16 + 5a

Solving
29 + -2a = -16 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
29 + -2a + -5a = -16 + 5a + -5a

Combine like terms: -2a + -5a = -7a
29 + -7a = -16 + 5a + -5a

Combine like terms: 5a + -5a = 0
29 + -7a = -16 + 0
29 + -7a = -16

Add '-29' to each side of the equation.
29 + -29 + -7a = -16 + -29

Combine like terms: 29 + -29 = 0
0 + -7a = -16 + -29
-7a = -16 + -29

Combine like terms: -16 + -29 = -45
-7a = -45

Divide each side by '-7'.
a = 6.428571429

Simplifying
a = 6.428571429

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