a+7(3a+-2)=86

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Solution for a+7(3a+-2)=86 equation:


Simplifying
a + 7(3a + -2) = 86

Reorder the terms:
a + 7(-2 + 3a) = 86
a + (-2 * 7 + 3a * 7) = 86
a + (-14 + 21a) = 86

Reorder the terms:
-14 + a + 21a = 86

Combine like terms: a + 21a = 22a
-14 + 22a = 86

Solving
-14 + 22a = 86

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + 22a = 86 + 14

Combine like terms: -14 + 14 = 0
0 + 22a = 86 + 14
22a = 86 + 14

Combine like terms: 86 + 14 = 100
22a = 100

Divide each side by '22'.
a = 4.545454545

Simplifying
a = 4.545454545

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