-2+7(1+4a)=31

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Solution for -2+7(1+4a)=31 equation:


Simplifying
-2 + 7(1 + 4a) = 31
-2 + (1 * 7 + 4a * 7) = 31
-2 + (7 + 28a) = 31

Combine like terms: -2 + 7 = 5
5 + 28a = 31

Solving
5 + 28a = 31

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 28a = 31 + -5

Combine like terms: 5 + -5 = 0
0 + 28a = 31 + -5
28a = 31 + -5

Combine like terms: 31 + -5 = 26
28a = 26

Divide each side by '28'.
a = 0.9285714286

Simplifying
a = 0.9285714286

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