86=5(8+2a)-4

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Solution for 86=5(8+2a)-4 equation:


Simplifying
86 = 5(8 + 2a) + -4
86 = (8 * 5 + 2a * 5) + -4
86 = (40 + 10a) + -4

Reorder the terms:
86 = 40 + -4 + 10a

Combine like terms: 40 + -4 = 36
86 = 36 + 10a

Solving
86 = 36 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
86 + -10a = 36 + 10a + -10a

Combine like terms: 10a + -10a = 0
86 + -10a = 36 + 0
86 + -10a = 36

Add '-86' to each side of the equation.
86 + -86 + -10a = 36 + -86

Combine like terms: 86 + -86 = 0
0 + -10a = 36 + -86
-10a = 36 + -86

Combine like terms: 36 + -86 = -50
-10a = -50

Divide each side by '-10'.
a = 5

Simplifying
a = 5

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